National Stock Number
4820-01-172-0500
National Stock Number (NSN) 4820-01-172-0500, or NIIN 011720500, (cap,valve) was assigned February 15, 1984 in the Federal Logistics Information System (FLIS). NIIN 011720500 was cancelled on May 1, 2010, 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 2 manufacturer part numbers associated with this NSN. One of those 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.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011720500 does not contain precious metals.
This information was last updated on Jul 01, 2025.