National Stock Number
4820-00-080-4239
National Stock Number (NSN) 4820-00-080-4239, or NIIN 000804239, (valve,check) has an unknown assigned date. NIIN 000804239 was cancelled on September 24, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4820012227808.
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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820000804239 does not contain precious metals.
This information was last updated on Jul 01, 2025.