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NSN 5310-00-291-4042, 5310002914042
WASHER,LOCK

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 002914042
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 5310-00-291-4042

National Stock Number (NSN) 5310-00-291-4042, or NIIN 002914042, (washer,lock) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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

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 5310002914042 contains an unknown precious metal.

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

DEPARTURE FROM CITED DOCUMENT
(ZZZW) AS MODIFIED BY SURFACE TREATMENT AND BY DIM.
HARDNESS RATING
(CQFM) 82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM
HOLE DIAMETER
(AAUB) 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.394 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
MATERIAL THICKNESS
(ABPX) 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
MATERIAL
(MATT) STEEL OVERALL
NONDEFINITIVE SPEC/STD DATA
(ZZZT) A TYPE
STYLE DESIGNATOR
(STYL) FLAT INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OR ZINC OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL OR ZINC OVERALL

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