National Stock Number
4820-00-130-4820
National Stock Number (NSN) 4820-00-130-4820, or NIIN 001304820, (valve,check) was assigned December 6, 1968 in the Federal Logistics Information System (FLIS). NIIN 001304820 was cancelled on February 2, 2000, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820011229773. 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.]. 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 4820001304820 does not contain precious metals.
This information was last updated on Aug 01, 2025.