National Stock Number
4910-01-041-8643
National Stock Number (NSN) 4910-01-041-8643, or NIIN 010418643, (gun,flushing,radiator and engine block) was assigned June 1, 1977 in the Federal Logistics Information System (FLIS). NIIN 010418643 was cancelled on September 2, 1998, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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) 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 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 4910010418643 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.