National Stock Number
4820-01-161-6557
National Stock Number (NSN) 4820-01-161-6557, or NIIN 011616557, (body,valve) was assigned September 8, 1983 in the Federal Logistics Information System (FLIS). NIIN 011616557 was cancelled on October 2, 2006, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820011442314. This NSN replaces 1 stock number, 4820012668010.
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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for 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) 36422. [AN ITEM DESIGNED TO ENCLOSE AND SUPPORT THE INTERNALPART(S) OF A VALVE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011616557 does not contain precious metals.
This information was last updated on Jun 01, 2025.