National Stock Number
4820-01-043-9041
National Stock Number (NSN) 4820-01-043-9041, or NIIN 010439041, (cap,valve) was assigned July 2, 1977 in the Federal Logistics Information System (FLIS). NIIN 010439041 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. 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) 35374. [A CAP DESIGNED TO MATE WITH A FLUID VALVE BODY. IT MAY HAVE AN ORIFICE THROUGH WHICH A ROD, SHAFT, STEM, OR AN ADJUSTING SCREW PASSES. FOR PORTED ITEMS, SEE HEAD, VALVE. EXCLUDES CAP, PNEUMATIC 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 4820010439041 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.