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4820-00-495-6939

Gate Valve

4820004956939 004956939 N-10933-1-2D(1-1/2IN) 205,059 N10933-1-2C1 1-2IN CD51429-50REVB N10933-1-2-50-2-1 1-2IN

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles. View more Gate Valve

Managed by United States

NSN Created on 12 Feb 1971

Data Last Changed
May 2023

NATO Update Count
6

NATO Data Quality

4820-00-495-6939 VALVE,GATE 4820004956939 004956939 1/1 — NSN 4820-00-495-6939 (Generic Image) 1/1

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205059 VALVE,GATE 1 EA NS

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4820-00-495-6939 RQST NE

Restrictions 4820-00-495-6939

4820-00-495-6939 is a Gate Valve that does not have a nuclear hardened feature, but does have another critical feature or features such as tolerance, fit restriction or application. This item is a US Munitions List or Commerce Control List Item where the Item Manager, Equipment Specialist or Product Specialist must provide special demilitarization instructions. This item is not suspected to be hazardous. This item does not contain a precious metal.

End Users 4820-00-495-6939

US Navy (N1HE)
Effective Date:: 1 Apr 1991
Supplementary Receivers:: GG; AMC 3 AMSC H IMC P IMCACTY HX

Approved Sources 4820-00-495-6939

Part Number
Manufacturer
Status
205,059: 90664 - Walworth Co Marine Div (Obsolete); Original Design; RNCC 3 RNVC 9 DAC 1
N-10933-1-2D(1-1/2IN): 63686 - The Walworth Company (Active); Incomplete Secondary Reference; RNCC 5 RNVC 1 DAC C
N10933-1-2C1 1-2IN: 95995 - Walworth Co The (Obsolete); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
CD51429-50REVB: 95995 - Walworth Co The (Obsolete); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 6
N10933-1-2-50-2-1 1-2IN: 95995 - Walworth Co The (Obsolete); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5

Datasheet 4820-00-495-6939

Characteristic
Specifications
FIIG: A500A0
Criticality Code Justification [CRTL]: Zzzy
Reference Number Differentiating Characteristics [ZZZY]: Material Will Be In Accordance With Navicp Mech; Activity Hx Quality Control, Manufacturing And Testing Specifications.

Management Data 4820-00-495-6939

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Department of the Navy (DN); EA; Subscribe; 1
Oct 2021: Department of the Navy (DN); EA; Subscribe; 1
Oct 2020: Department of the Navy (DN); EA; Subscribe; 1
Oct 2019: Department of the Navy (DN); EA; Subscribe; 1

Navy

Cognizance:

1H: Consumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg

Special Material ID:

X5: Navy Nuclear Reactor Plant (NNRP) component level material under the technical cognizant of NAVSEA 08, but managed by NAVICP MECH. This SMIC contains all component level nuclear material not qualifying for X1 or X4 SMIC assignment.

Issue, Repair, Requisition Restriction Code:

BL: Submit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipment

NATO Stock Numbers Related to 4820-00-495-6939

4820-66-056-3073 4820-66-140-0480 4820-12-185-9448 4820-21-904-1629 4820-66-140-0498 4820-12-330-3231 4820-66-106-5366 4820-21-680-1013 4820-17-039-3854 4820-66-122-0881 4820-66-140-0491 4820-66-140-0477 4810-99-560-8569 4820-66-124-8311 4820-66-017-0723 4820-14-563-3244 4820-14-562-9826 4820-21-885-4004

Freight Information 4820-00-495-6939

4820-00-495-6939 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 051080. A Sub NMFC of Z. It has a NMFC Description of FAUCETS,BIBCOCKS,GATES VALVES. 4820-00-495-6939 is rated as a variable freight class when transported by Less-Than Truckload (LTL) freight. 4820-00-495-6939 is rated as class 70 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 29300 which rates the freight between FCL and LCL. It has a Water Commodity Code (WCC) of 736 for ocean manifesting and military sealift. 4820-00-495-6939 is not classified as a special type of cargo when transported by water. 4820-00-495-6939 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.

Packaging Data 4820-00-495-6939

Responsible Activity
Packaging Data Source: Primary Inventory Control Activity (PICA); Packaging Data does not meet current MIL-STD-2073-1E

Storage Environment: Heated General Purpose – Heated 40 F and above

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation: --; --; --; Over 10lb; Less than 85G; No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: 1; 6.0" H x 6.0" W x 6.5" L; --; --; --; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; Special Requirements – see Specific Instructions or Drawings provided; Special Requirements. See Specific Instructions or Drawings Provided; Special Requirements. See Specific Instructions or Drawings Provided; ASTM-D5118, Type CF, Class Weather-Resistant, Corrugated Fiberboard Box; Open for inspection or use only

Intermediate Pack Level

Quantity of Unit Packs
Container: --; No Requirement