NSN 5310-99-310-0351, 5310993100351
WASHER,LOCK

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 993100351
Codification Country: United Kingdom
Item Name Code: INC 14218
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 5310-99-310-0351

National Stock Number (NSN) 5310-99-310-0351, or NIIN 993100351, (washer,lock) has an unknown assigned date. 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 fairly common among different weapons systems, belonging to 21 different platforms.

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 information was last updated on Aug 06, 2025.