National Stock Number
4820-01-143-9457
National Stock Number (NSN) 4820-01-143-9457, or NIIN 011439457, (cock,drain) was assigned December 10, 1982 in the Federal Logistics Information System (FLIS). NIIN 011439457 was cancelled on April 2, 1995, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011439457 does not contain precious metals.
This information was last updated on Aug 01, 2025.