National Stock Number
4820-01-305-7979
National Stock Number (NSN) 4820-01-305-7979, or NIIN 013057979, (cage,valve) was assigned August 11, 1989 in the Federal Logistics Information System (FLIS). NIIN 013057979 was cancelled on October 2, 2004, 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 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 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 assigned to Item Name Code (INC) 37291. [A REMOVABLE ITEM WITHIN THE VALVE BODY, DESIGNED TO GUIDE THE PLUG AND DETERMINE THE FLOW CHARACTERISTIC OF THE VALVE AND PROVIDE ACCESS FOR INSPECTION OR REPLACEMENT WITHOUT REMOVING BODY FROM LINE. MAY INCLUDE GASKETS, SPRING, AND THE LIKE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820013057979 does not contain precious metals.
This information was last updated on Aug 01, 2025.