National Stock Number
4820-12-316-9554
National Stock Number (NSN) 4820-12-316-9554, or NIIN 123169554, (valve,check) has an unknown assigned date. This NSN replaces 1 stock number, 4820123451044.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over a year. There have been 4 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC23V7673, SPE7M023P4787, SPE7MC19V070Y, SPE7MC19V045J. The total value of the awarded contracts has been US$ 2,181.76.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 information was last updated on Jan 19, 2026.