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NSN 4320-99-766-4510, 4320997664510
PISTON SUBASSEMBLY

Federal Supply Classification: FSC 4320 - Power and Hand Pumps
National Item Identification Number: NIIN 997664510
Codification Country: United Kingdom
Item Name Code: INC 77777
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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4320-99-766-4510

National Stock Number (NSN) 4320-99-766-4510, or NIIN 997664510, (piston subassembly) has an unknown assigned date. This NSN does not replace any other NSNs.

There are 3 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.

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) 77777.

This information was last updated on Jun 25, 2025.

Technical Characteristics

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