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NSN 5310-01-184-3786, 5310011843786
WASHER,KEY

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011843786
Codification Country
United States
Item Name Code
INC 01869
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5310-01-184-3786

National Stock Number (NSN) 5310-01-184-3786, or NIIN 011843786, (washer,key) was assigned July 18, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 01869. [A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE PROTUBERANCES. THE ENDS AND/OR EDGES MAY BE PREBENT AT ANY ANGLE OR THE PROTUBERANCES MAY BE PREBENT AT ANY ANGLE TO THE BEARING SURFACES. THE KEYS OR LUGS MAY BE FITTED INTO KEYWAYS IN ADJACENT MATERIAL OR THEY MAY BE BENT OVER AFTER APPLICATION TO HOLD OR LOCK ONE OR MORE ITEMS IN PLACE. EXCLUDES:THRUST TYPE WASHER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310011843786 does not contain precious metals.

This NSN is associated to Schedule B 7616108000: cotters, cotter-pins, washers and similar articles, of aluminum. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

HOLE DIAMETER
(AAUB) 0.785 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 1.200 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS
(ABLX) 1.470 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) ALUMINUM ALLOY 2024 OVERALL
MATERIAL THICKNESS
(ABPX) 0.063 INCHES NOMINAL
SPECIAL FEATURES
(FEAT) DISTANCE FROM WIRE HOLE CENTER TO END OF TAPERED KEY 0.060 IN.; DISTANCE FROM WIRE HOLE CENTER TO TOP OF TAPERED PREBENT KEY 0.120 IN.; TAPERED KEY PREBENT 30 DEG MIN,40 DEG MAX; HOLE WIDTH ACROSS FLATS 0.655 IN. MIN,0.670 IN. MAX; DISTANCE FROM CENTERLINE TO FLATTED BOTTOM OF WASHER 0.485 IN. MIN,0.515 IN. MAX; DISTANCE FROM BOTTOM OF WASHER TO INSIDE OF PREBENT KEY 1.160 IN.
WIRE HOLE DIAMETER
(CRZZ) 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-5541,TY 2,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CHROMATE OVERALL
TAPERED KEY MINOR WIDTH
(ABLG) 0.120 INCHES NOMINAL
III MATERIAL
(MATT) ALUMINUM ALLOY 2024 OVERALL

Manufacturer Part Numbers

4M2481

RNCC
5
RNVC
2
4M2481

RNCC
5
RNVC
9
4M2481

RNCC
5
RNVC
2
4M2481

RNCC
5
RNVC
2
4M2481

RNCC
3
RNVC
2
M42481

RNCC
5
RNVC
2

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