5365-12-300-4676 5365123004676 123004676 is a circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. it has a solid cross-section and two flat parallel bearing surfaces. the distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. the diameter of the centrally located hole must exceed 75 percent of the outside diameter. excludes laminated items. for items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. for items manufactured from lubricated plastics, see bearing, washer, thrust. for items manufactured from lubricated felt, see felt, mechanical, preformed. excludes disk, valve; insulator washer; and shim. see also spacer, plate and spacer, sleeve.
5975-01-300-4676 5975013004676 013004676 is a tray or racklike item designed to provide a supporting surface to which electrical/electronic equipment may be secured when installed in aircraft, vehicles, or other types of mobile equipment. it may be equipped with shock or vibration isolation devices and/or wires, cables, terminal boards, connectors, etc. excludes base, electrical equipment rack and mount, resilient. see also rack, electrical equipment.
5310-26-300-4676 5310263004676 263004676 is a nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
7360-00-300-4676 7360003004676 003004676
5977-14-300-4676 5977143004676 143004676 is an item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. either the brush or the surface is continually moving during the transfer of energy. the brush is usually composed in part of some form of the element carbon. includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. excludes: contact, electrical; and contact assembly, electrical.