National Stock Number
4330-00-499-2853
National Stock Number (NSN) 4330-00-499-2853, or NIIN 004992853, (piston,relief valve) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 12 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 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.
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. 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 4330004992853 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.