National Stock Number
4820-01-122-2176
National Stock Number (NSN) 4820-01-122-2176, or NIIN 011222176, (gag,safety valve) was assigned November 18, 1981 in the Federal Logistics Information System (FLIS). NIIN 011222176 was cancelled on July 2, 2010, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820011421111. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers 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 assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011222176 does not contain precious metals.
This information was last updated on Aug 01, 2025.