National Stock Number
4820-01-111-8461
National Stock Number (NSN) 4820-01-111-8461, or NIIN 011118461, (valve,check) has an unknown assigned date. NIIN 011118461 was cancelled on November 2, 1990, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820011081854. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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) 05487. [A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011118461 does not contain precious metals.
This information was last updated on Jul 01, 2025.