National Stock Number
4910-00-449-6790
National Stock Number (NSN) 4910-00-449-6790, or NIIN 004496790, (gun,flushing,radiator and engine) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 07, 2020. There have been 6 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7L220V1276, SPE7L316M3031, SPM7L212V7130, SPM7L212V0619, SPM7L211V6698. The total value of the awarded contracts has been US$ 25,125.65.
This NSN is unique to one weapons system.
There has been a small 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 Jun 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 21531. [A GUN TYPE FLUSHING AND REVERSE FLUSHING DEVICE UTILIZING COMPRESSED AIR AND WATER. FOR USE ON MOTOR VEHICLE RADIATORS AND ENGINE BLOCKS. SEE ALSO CLEANING AND FLUSHING MACHINE, AUTOMOTIVE COOLING SYSTEM.]. 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 4910004496790 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.