NSN 4820-66-151-0656, 4820661510656
COCK,DRAIN

Federal Supply Classification: FSC 4820 - Valves, Nonpowered
National Item Identification Number: NIIN 661510656
Codification Country: Australia
Item Name Code: INC 16988
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 4820-66-151-0656

National Stock Number (NSN) 4820-66-151-0656, or NIIN 661510656, (cock,drain) 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 unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 16988. [AN ITEM WITH ONE MOUNTING END AND ONE FREE FLOWING END WITH A METAL TO METAL VALVE CLOSURE. IT IS DESIGNED TO DRAIN FLUIDS FROM RADIATORS, BOILERS, AND SIMILAR ITEMS.].

This information was last updated on Jan 28, 2026.