NSN 5340-99-701-8334, 5340997018334
SEAT,HELICAL COMPRESSION SPRING

Federal Supply Classification: FSC 5340 - Hardware, Commercial
National Item Identification Number: NIIN 997018334
Codification Country: United Kingdom
Item Name Code: INC 24328
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

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DLMS^® Summary

National Stock Number 5340-99-701-8334

National Stock Number (NSN) 5340-99-701-8334, or NIIN 997018334, (seat,helical compression spring) has an unknown assigned date. This NSN replaces 1 stock number, 5360011569178.

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) 24328. [A CIRCULAR ITEM, USUALLY HAVING A FLAT OR GROOVED FLANGE, BOSS(ES), AND/OR COUNTERBORE, DESIGNED TO ACCOMMODATE THE END OF THE SPRING. IT IS USED TO POSITION THE SPRING BUT DOES NOT ENCASE THE SPRING OR RESTRAIN LATERAL MOTION. IT MAY BE USED IN CONJUNCTION WITH A RETAINER,HELICAL COMPRESSION SPRING. EXCLUDES:WASHER (AS MODIFIED), SEAT,BALL SOCKET, AND HOLDER,SPRING. SEE ALSO ROTOR,ENGINE POPPET VALVE.].

This information was last updated on Aug 15, 2025.