Engine Electrical System Components, Aircraft Prime Moving
Federal Supply Class (FSC: 2925
NATO Supply Classification Class (NSC): 2925
Group Description: Engine Accessories
Federal Supply Group (FSG): 29
NATO Supply Classification Group (NSG): 29
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Includes Magnetos; Igniters (Spark Plugs); Ignition Coils; Ignition Distributors; Engine Voltage Regulators; Ignition Harness Assemblies; Starting Motors for Engines; Engine Accessory Generators.
Excludes Aircraft Lighting Fixtures (FSC 6220); Auxiliary Aircraft Generators (FSC 6115).
Note-Unless specifically excluded, engine accessories for all vehicles, such as aircraft, motor vehicles, ships, tractors, and construction vehicles, as well as accessories for stationary engines, are classified in this Group.
Additional Information for Engine Electrical System Components, Aircraft Prime Moving
NATO Supply Class 2925 refers to Engine Electrical System Components, Aircraft Prime Moving. This class is a part of NATO Supply Group 29, which is specifically for Engine Accessories.
Engine Electrical System Components are essential parts of an aircraft's engine that are responsible for generating, distributing, and controlling electrical power. These components play a crucial role in the overall functioning and performance of the aircraft's engine.
Some examples of Engine Electrical System Components include:
1. Generators: These are responsible for converting mechanical energy from the engine into electrical energy, which is then used to power various electrical systems and components of the aircraft.
2. Starter Motors: These are used to initiate the engine's rotation and provide the necessary power to start the engine.
3. Ignition Systems: These systems are responsible for igniting the fuel-air mixture in the engine's combustion chamber, initiating the combustion process.
4. Voltage Regulators: These components regulate the voltage output from the generator to ensure a stable and consistent supply of electrical power to the aircraft's systems.
5. Electrical Wiring and Connectors: These components provide the necessary electrical connections between various electrical systems and components of the aircraft's engine.
It is important to note that NATO Supply Class 2925 specifically focuses on these components in the context of aircraft prime moving, which refers to the primary power source of the aircraft, typically the engine. These components are designed and manufactured to meet the specific requirements and standards of aircraft engines.
By categorizing these components under NATO Supply Class 2925, it becomes easier for NATO member countries to identify, classify, and procure the necessary engine electrical system components for their aircraft.
NSN by Country
Frequently Asked Questions(FAQ) for Federal Supply Class 2925
- What is Federal Supply Class 2925?
- FSC 2925 is the Federal Supply Class(formally known as NATO Supply Classification Class NSC 2925) in the USA for supply items codified in the category of Engine Electrical System Components, Aircraft Prime Moving.
- What is NATO Supply Classification Class 2925?
- NSC 2925 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 2925 in the USA) for supply items codified in the category of Engine Electrical System Components, Aircraft Prime Moving.
- Which Federal Supply Group is FSC 2925 in?
- FSC 2925 is in Federal Supply Group(FSG) 29 which contains .
- Which NATO Supply Classification Group is NSC 2925 in?
- NSC 2925 is in NATO Supply Classification Group(NSG) 29 which contains .
Supply Items Included in Federal Supply Class 2925
- What is a Distributor Contact Set? 18 Items
- A Distributor Contact Set (CONTACT SET,DISTRIBUTOR) is a grouping of two or more separate distributor or magneto contacts.
- What is an Ignition Magneto? 109 Items
- An Ignition Magneto (MAGNETO,IGNITION) is an electric generator whose field poles are permanent magnets and which is used to generate electrical energy for the purpose of igniting the combustible mixture in internal combustion engine cylinders. Spark distribution may be accomplished by a distributor portion of the magneto or by a separate item.
- What is an Ignition Distributor Rotor? 18 Items
- An Ignition Distributor Rotor (ROTOR,IGNITION DISTRIBUTOR) is the rotating part of an ignition distributor which transfers electrical energy to stationary electrodes. Does not include shaft.
- What is a Spark Plug? 199 Items
- A Spark Plug is an item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture, primarily in internal combustion engines. Excludes GLOW PLUG; and ELECTRODE.
- What is an Ignition System Distributor? 64 Items
- An Ignition System Distributor (DISTRIBUTOR,IGNITION SYSTEM) is a mechanism used to regulate the time and transmission of electrical energy in an ignition system for the purpose of igniting the combustible mixture in an internal combustion engine.
- What is an Ignition Coil? 96 Items
- An Ignition Coil (COIL,IGNITION) is an item specifically designed to produce the high voltage necessary to provide a spark for igniting combustible mixtures, primarily in internal combustion engines.
- What is an Ignition Lock Switch? 32 Items
- An Ignition Lock Switch (SWITCH,LOCK,IGNITION) is a switch which is externally actuated by a device such as a key/cylinder lock to actuate a remote lever or rod rack to activate a remote switch. The actuation device may or may not be an integal part of the switch. The primary purpose of the switch is to open and close the ignition circuit of an internal combustion engine and actuate various accessories. Excludes SWITCH, ENGINE STARTER, ELECTRICAL and SWITCH, LOCK.
- What is a Generator Armature? 18 Items
- A Generator Armature (ARMATURE,GENERATOR) is an armature which is a part of a generator. See also ROTOR, GENERATOR.
- What is a Motor Armature? 49 Items
- A Motor Armature (ARMATURE,MOTOR) is an armature which is a part of a motor. See also ROTOR, MOTOR.
- What is a Starter-Generator Armature? 38 Items
- A Starter-Generator Armature (ARMATURE,STARTER-GENERATOR) is an armature which is a part of an electrical rotating machine that combines both starter and generator action.
- What is a Generator Armature-Rotor? 12 Items
- A Generator Armature-Rotor (ARMATURE-ROTOR,GENERATOR) is the rotating member of an electrical generator which consists of an armature and a rotor on a common shaft. See also basic concept for Armature (1), and basic concept for Rotor (1).
- What is a Generator Rotor? 59 Items
- A Generator Rotor (ROTOR,GENERATOR) is a rotor which is a part of an alternating current generator. See also ARMATURE, GENERATOR.
- Cover,Electric Motor 27 Items
- What is an Electrical Generator Cover? 40 Items
- An Electrical Generator Cover (COVER,ELECTRICAL GENERATOR) is excludes COVER, ACCESS; COVER, GENERATOR SET; and COVER, MOTOR-GENERATOR.
- What is a Magneto Coil Cover? 10 Items
- A Magneto Coil Cover (COVER,MAGNETO COIL) is a cover specifically designed for mounting on a magneto housing. It may include one or more fittings to facilitate the connection of ventilating and/or electrical devices.
- What is an Ignition System Distributor Shield? 11 Items
- An Ignition System Distributor Shield (SHIELD,IGNITION SYSTEM DISTRIBUTOR) is an item specifically designed to be placed around an ignition distributor for the purpose of shielding against electrical interference and having provisions for passage of the ignition cable. May also provide mechanical protection.
- What is a Spark Plug Shield? 21 Items
- A Spark Plug Shield (SHIELD,SPARK PLUG) is an item specifically designed to be placed around a spark plug for the purpose of shielding against electrical interference and having provisions for passage of the ignition cable. May also provide mechanical protection.
- Base,Motor 11 Items
- What is an Electrical Engine Starter? 173 Items
- An Electrical Engine Starter (STARTER,ENGINE,ELECTRICAL) is an item consisting of an electric, direct current, motor and integral and associated components, primarily designed to crank an internal combustion engine, or a gas turbine engine until it starts operating under its own power. May include facilities for manual or mechanical actuation. Excludes MOTOR, ENGINE STARTER, ELECTRICAL; STARTER, MOTOR; STARTER, ENGINE (as modified); and SWITCH, ENGINE STARTER, ELECTRICAL.
- What is an Electrical Rotating Equipment End Bell? 116 Items
- An Electrical Rotating Equipment End Bell (END BELL,ELECTRICAL ROTATING EQUIPMENT) is an item designed to support and position an armature or rotor when installed in a motor, generator or similar electrical rotating equipment. It may include items such as bearings, brushes, brush holders, oilers.
- What is an Ignition Distribution Cap? 21 Items
- An Ignition Distribution Cap (CAP,IGNITION DISTRIBUTION) is a cap, generally of phenolic composition, designed to facilitate the connection of the high tension coil and spark plug leads to the distributor or magneto of an internal combustion engine.
- What is a Motor Field Winding? 10 Items
- A Motor Field Winding (WINDING,MOTOR FIELD) is a winding which is a maintenance part for an electric motor.
- What is an Electrical Engine Starter Motor? 39 Items
- An Electrical Engine Starter Motor (MOTOR,ENGINE STARTER,ELECTRICAL) is the component part of a STARTER, ENGINE, ELECTRICAL which transforms electrical energy into mechanical energy. It is specifically designed to energize an internal combustion engine starter.
- What is an Electrical Engine Starter Relay-Solenoid? 15 Items
- An Electrical Engine Starter Relay-Solenoid (RELAY-SOLENOID,ENGINE STARTER,ELECTRICAL) is an item having a moving plunger type core which travels parallel to the longitudinal axis of the coil(s), and which is primarily designed to perform the dual function of closing the circuit of a STARTER, ENGINE, ELECTRICAL and actuating the starter engaging mechanism. It must have provisions for attaching the mechanical linkage for actuating the engaging mechanism if the linkage is not included. May have provisions for manual actuation. Without contacts this item is known as a SOLENOID, ELECTRICAL. Without provisions for attaching mechanical linkage this item is known as a RELAY, ELECTROMAGNETIC. See also SWITCH, ENGINE STARTER, ELECTRICAL.
- What is an Engine Generator Regulator? 56 Items
- An Engine Generator Regulator (REGULATOR,ENGINE GENERATOR) is a regulator designed to automatically maintain the current and/or voltage output of an engine generator within specified limits, regardless of variation of load or input voltages. May include cutout relay. Does not include items in which regulation is accomplished by transformer action. See also REGULATOR, CURRENT and REGULATOR, VOLTAGE.
- What is an Engine Generator Cutout Relay? 38 Items
- An Engine Generator Cutout Relay (CUTOUT RELAY,ENGINE GENERATOR) is a device for automatically opening the circuit between an engine generator and the battery of the engine electrical system to prevent the flow of reverse current to the generator and automatically closing the circuit when the voltage of the generator reaches normal range. Excludes REGULATOR, CURRENT and RELAY (as modified).
- What is an Engine Accessory Generator? 148 Items
- An Engine Accessory Generator (GENERATOR,ENGINE ACCESSORY) is a generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes the major generator of "GENERATING SETS". For generators specifically designed for aircraft use and not mounted on the engine, see GENERATOR, DIRECT CURRENT.
- What is an Electrical Engine Starter Switch? 16 Items
- An Electrical Engine Starter Switch (SWITCH,ENGINE STARTER,ELECTRICAL) is a manually operated item specifically designed to close the circuit of a STARTER, ENGINE, ELECTRICAL or the control circuit of its attendant solenoid. It must include a vacuum lock-out mechanism or utilize a switch contact independently mounted on the starter. For switches with integral contacts and no vacuum lock-out, see SWITCH (as modified). See also RELAY-SOLENOID, ENGINE STARTER, ELECTRICAL and STARTER, MOTOR.
- What is a Magneto Coil? 32 Items
- A Magneto Coil (COIL,MAGNETO) is an item consisting of two individual windings, one upon the other, inductively coupled, having a common iron core, specifically designed to convert the induced primary voltage to high secondary voltage required to ignite combustible mixtures, primarily in internal combustion engines; is a maintenance item for a magneto.
- Stator,Engine Starter 21 Items
- Rotor,Magneto 19 Items
- What is a Gas Turbine Engine Spark Igniter? 292 Items
- A Gas Turbine Engine Spark Igniter (IGNITER,SPARK,GAS TURBINE ENGINE) is an item having one or more electrodes arranged to form an air gap across which an electric spark is introduced and discharged to ignite fuel and air mixture in an internal combustion engine for the purpose of initial starting only. In engines designed for the single electrode type, two plugs are required within the combustion chamber in proper placement to effect the air gap. An igniter plug differs from a spark plug by always having cooling facilities in the form of holes or slots in the plug casing to allow entry of air currents around the electrode(s). Excludes SPARK PLUG; GLOW PLUG and ELECTRODE.
- What is an Ignition Terminal Sleeve? 19 Items
- An Ignition Terminal Sleeve (SLEEVE,IGNITION TERMINAL) is an item consisting of an electrically insulated body, tubular in shape with provisions for insertion of wire. One end contains a spring to facilitate electrical contact and provisions for attaching a conductor. See also SUPPRESSOR, IGNITION INTERFERENCE. Excludes CLIP, ELECTRICAL; TERMINAL, LUG and CABLE NIPPLE, ELECTRICAL.
- What is an Engine Generator Stator? 93 Items
- An Engine Generator Stator (STATOR,ENGINE GENERATOR) is a stator which is a maintenance part of a GENERATOR, ENGINE ACCESSORY.
- What is an Engine Starter-Generator Stator? 23 Items
- An Engine Starter-Generator Stator (STATOR,STARTER-GENERATOR,ENGINE) is a stator which is a maintenance part of a STARTER-GENERATOR, ENGINE.
- What is an Electrical Engine Starter Parts Kit? 10 Items
- An Electrical Engine Starter Parts Kit (PARTS KIT,ELECTRICAL ENGINE STARTER) is a parts kit for a STARTER, ENGINE, ELECTRICAL. Excludes PARTS KIT, ELECTRICAL CONTACT BRUSH HOLDER and BRUSH SET, ELECTRICAL CONTACT.
- What is an Engine Generator Parts Kit? 13 Items
- An Engine Generator Parts Kit (PARTS KIT,ENGINE GENERATOR) is excludes PARTS KIT, ELECTRICAL CONTACT BRUSH HOLDER and BRUSH SET, ELECTRICAL CONTACT.
- What is an Ignition Coil Vibrator? 113 Items
- An Ignition Coil Vibrator (VIBRATOR,IGNITION COIL) is an item which rapidly interrupts the current to an ignition coil or magneto. It may include capacitor(s), relay(s), and/or resistor(s). It does not include ignition system distributors or timers. For items which perform similar functions, but are a part of ignition coils, see ARMATURE, INDUCTION COIL.
- What is an Air Turbine Driven Engine Starter-Generator? 20 Items
- An Air Turbine Driven Engine Starter-Generator (STARTER-GENERATOR,ENGINE,AIR TURBINE DRIVEN) is a compact unit consisting primarily of an air turbine driven starter, a planetary gear system, a hollow shaft kilovolt amperes generator, and an integral control system. It may include a power take-off for driving hydraulic pumps, and the like. It is designed to start turbine engines and supply electrical power. For an electrically powered starter and generator, see STARTER-GENERATOR, ENGINE.
- Parts Kit,Exciter Unit 13 Items
- What is an Engine Ignition Lead Set? 28 Items
- An Engine Ignition Lead Set (LEAD SET,IGNITION,ENGINE) is consists of two or more LEAD, IGNITION, ENGINE. Specifically designed to accommodate engine electrical ignition systems. Ends must be processed or terminated, with or without end boots, universal or custom fitted. Excludes LEAD SET, TEST.
- What is an Engine Ignition Lead? 229 Items
- An Engine Ignition Lead (LEAD,IGNITION,ENGINE) is a single solid or braided conductive wire designed for engine ignition, with or without noise suppression cores. The conductor is composed of metallic materials or such nonmetallic materials as graphite impregnated fibers and plastics. Both ends must be processed or terminated, with or without boots. The lead may be of any size or shape. Includes items with metal braided outer covers and grounding nuts. Excludes LEAD, ELECTRICAL; LEAD, STORAGE BATTERY; and items having attached switches, lampholders, suppressors, resistors, and the like.
- What is an Armature Assembly? 26 Items
- An Armature Assembly is the rotating part of an electrical rotating machine which consists of the ARMATURE (as modified) and bearings mounted on a common shaft.
- What is a Rotor Assembly? 96 Items
- A Rotor Assembly is the rotating part of an electrical rotating machine which consists of a ROTOR (as modified) and bearings mounted on a common shaft.
- What is an Engine Accessories Modification Kit? 93 Items
- An Engine Accessories Modification Kit (MODIFICATION KIT,ENGINE ACCESSORIES) is an item or group of items employed to modify all engine accessories.
- What is an Electrical Terminal Block? 155 Items
- An Electrical Terminal Block (TERMINAL BLOCK,ELECTRICAL) is an item consisting of insulating material, which is specifically designed to have fastened terminals such as threaded screws and/or studs. Item may include embedded capacitors, attached ground wire, and mounting facilities. It is a component part of a STARTER-GENERATOR, ENGINE. Excludes TERMINAL BOARD; and TERMINAL JUNCTION BLOCK, SECTIONAL.
- What is an Aircraft Engine Starter-Generator? 151 Items
- An Aircraft Engine Starter-Generator (STARTER-GENERATOR,ENGINE,AIRCRAFT) is a rotating machine which is an accessory to and directly cranks an aircraft engine and subsequently generates direct current. The generator and starter action is not simultaneous. See also STARTER,ENGINE,ELECTRICAL and GENERATOR,ENGINE ACCESSORY. Excludes STARTER-GENERATOR,ENGINE,AIR TURBINE DRIVEN.
- What is a Magneto Cam? 10 Items
- A Magneto Cam (CAM,MAGNETO) is an item designed to convert rotary motion into reciprocating motion for the purpose of opening and closing electrical contacts in a magneto.
- What is a Magneto Coupling? 10 Items
- A Magneto Coupling (COUPLING,MAGNETO) is an item specifically designed to couple or connect a magneto to a prime mover. Provides spark retardation and increased rotor acceleration during engine cranking period by means of momentary spring initiated impulses. Functions as a drive coupling at engine speed. It may include accessories such as key, setscrew or retainer(s).
- What is an Electrical Starter Engine Drive? 26 Items
- An Electrical Starter Engine Drive (DRIVE,ENGINE,ELECTRICAL STARTER) is an item designed to transmit the torque developed by a starting motor to a reciprocating type internal combustion engine for the purpose of starting the engine. Clutching, meshing, and disengaging action may be accomplished either mechanically or by means of inertia.
- What is an Electrical Starter Engine Drive Housing? 22 Items
- An Electrical Starter Engine Drive Housing (HOUSING,ENGINE DRIVE,ELECTRICAL STARTER) is a machined item designed to support and/or protect the drive mechanism of an engine starter. It may include motor drive end bracket, bearing(s) and retainer(s).
- What is an Ignition Distributor Housing? 34 Items
- An Ignition Distributor Housing (HOUSING,IGNITION DISTRIBUTOR) is the outer component of an ignition distributor designed to support or partially support the operating mechanism. It may include bearings, oilers, cap fasteners and/or mounting facilities.
- What is a Magneto Housing? 20 Items
- A Magneto Housing (HOUSING,MAGNETO) is the outer component of a magneto designed to support the operating mechanism. It may include pole-pieces, magnets, bearings, ventilating louvers and/or mounting facilites.
- What is an Engine Ignition System? 12 Items
- An Engine Ignition System (IGNITION SYSTEM,ENGINE) is a system used to generate and to deliver the distribution of electrical energy to ignite the air/fuel mixture in an internal combustion engine. It may include one or several COIL,IGNITION; LEAD,IGNITION,ENGINE; ELBOW,IGNITION TERMINAL,AIRCRAFT; ELBOW,IGNITION TERMINAL,NONAIRCRAFT, and the like. It may also include a DISTRIBUTOR,IGNITION SYSTEM and an electronic control module.
Stock Items From Supply Class 2925 Page 1of 59
- LW-M-2463
- RNCC: 3 | RNVC: 2 | DAC: 4
- 3888289-2
- RNCC: 3 | RNVC: 2 | DAC: 5
- C10TS3
- RNCC: 3 | RNVC: 2 | DAC: 6
- 47266
- RNCC: 3 | RNVC: 2 | DAC: 6
- UPA61079
- RNCC: 3 | RNVC: 2 | DAC: 5
- C3104
- RNCC: 5 | RNVC: 2 | DAC: 2
- 3160S77-03-026
- RNCC: 3 | RNVC: 2 | DAC: 2
- 7067195
- RNCC: 3 | RNVC: 2 | DAC: 2