National Stock Number
4820-00-300-4991
National Stock Number (NSN) 4820-00-300-4991, or NIIN 003004991, (cock,shutoff,screw stem) was assigned October 6, 1973 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 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, there are no suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 16990. [A COMPACT TWO-WAY TYPE OF VALVE MECHANISM HAVING A ONE PIECE BODY AND SEAT AND A ONE PIECE STEM AND DISK. IT HAS NO BONNET, AND IS NOT USED FOR FINE CONTROL OF FLOW. IT IS USED EXTENSIVELY IN THE AUTOMOTIVE FIELD.]. 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 4820003004991 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.