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NSN 5310-01-251-9276, 5310012519276
WASHER,LOCK

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 012519276
Codification Country
United States
Item Name Code
INC 14218
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.
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DLMS® Summary

National Stock Number 5310-01-251-9276

National Stock Number (NSN) 5310-01-251-9276, or NIIN 012519276, (washer,lock) was assigned March 26, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

This NSN is very common among different weapons systems, belonging to 38 different platforms.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, 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) 14218. [A WASHER, USUALLY ROUND, WITH A CENTRALLY-LOCATED HOLE. ITS EDGES AND TWO BEARING SURFACES ARE DESIGNED IN SUCH A WAY THAT APPLIED PRESSURE BRINGS INTO PLAY THE SPRING TENSION AND/OR FRICTIONAL LOCKING PRINCIPLE THAT MATERIALLY RESISTS ANY TENDENCY TOWARD TURNING. IT MAY BE MADE OF ONE OR TWO PIECES.]. 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 5310012519276 does not contain precious metals.

This NSN is associated to Schedule B 7318210000: spring washers and other lock washers, iron or steel. 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) 0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS
(ABPX) 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 1050 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1064 OVERALL
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 2 TYPE AND 1 STYLE AND 1 COMPOSITION
STYLE DESIGNATOR
(STYL) FLAT EXTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) ASTM B633,TY 2,CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ZINC AND CHROMATE OVERALL
MATERIAL
(MATT) STEEL COMP 1050 OVERALL OR STEEL COMP 1053 OVERALL OR STEEL COMP 1054 OVERALL OR STEEL COMP 1055 OVERALL OR STEEL COMP 1059 OVERALL OR STEEL COMP 1060 OVERALL OR STEEL COMP 1064 OVERALL
SURFACE TREATMENT
(SFTT) ZINC OVERALL AND CHROMATE OVERALL

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