NSN 5310-99-609-9972, 5310996099972
WASHER,SEAL

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 996099972
Codification Country: United Kingdom
Item Name Code: INC 37917
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 5310-99-609-9972

National Stock Number (NSN) 5310-99-609-9972, or NIIN 996099972, (washer,seal) has an unknown assigned date. This NSN replaces 1 stock number, 5365001278530.

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 somewhat common among different platforms, belonging to 2 different weapons systems.

This NSN is assigned to Item Name Code (INC) 37917. [A WASHER OF VARIOUS SHAPES HAVING A CENTRALLY LOCATED HOLE. IT IS PRIMARILY USED AS A SEAT FOR A BOLT OR SCREW TO DISTRIBUTE PRESSURE AND HAS A SEALING ELEMENT. IT MAY BE USED IN CONNECTION WITH METALLIC WASHERS TO WHICH IT CAN BE BONDED.].

This information was last updated on Aug 06, 2025.