NSN 4820-99-957-4526, 4820999574526
VALVE,PLUG

Federal Supply Classification: FSC 4820 - Valves, Nonpowered
National Item Identification Number: NIIN 999574526
Codification Country: United Kingdom
Item Name Code: INC 05490
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: In Stock Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4820-99-957-4526

National Stock Number (NSN) 4820-99-957-4526, or NIIN 999574526, (valve,plug) has an unknown assigned date. This NSN does not replace any other NSNs.

There is only one manufacturer part number 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 unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 05490. [A VALVE DESIGNED TO CONTROL THE FLOW OF A FLUID BY THE ROTATION OF A PORTED PLUG OR PLUG SECTOR WITHIN A SUITABLE PORTED SEAT. THE PLUG REQUIRES LUBRICATION FOR EASE OF OPERATION OR CONTAINS A BONDED COMPOSITION SEAL(S). SEE ALSO VALVE, SEATLESS AND COCK, PLUG.].

This information was last updated on Aug 08, 2025.