National Stock Number
4820-00-903-3755
National Stock Number (NSN) 4820-00-903-3755, or NIIN 009033755, (valve,check) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 4820008398725, 4820001581097, 4820010046445.
There are 17 manufacturer part numbers associated with this NSN. 12 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 19 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 23 contracts issued for this part number, with 23 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7MC23P2596, SPE7M821V0651, SPE7M819V3545, SPE7M819V3545, SPE7MC19P5741. The total value of the awarded contracts has been US$ 709,282.50.
This NSN is very common among different weapons systems, belonging to 45 different platforms.
There has been a moderate amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 19, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
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 4820009033755 contains an unknown precious metal.
This NSN is associated to Schedule B 8481302090: check valves of steel. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Apr 01, 2025.