National Stock Number
4310-00-722-0941
National Stock Number (NSN) 4310-00-722-0941, or NIIN 007220941, (ring set,piston) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 007220941 was cancelled on September 2, 2001, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4310002142622.
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) 16116. [TWO OR MORE COMPLETE RING, PISTON GROUPED FOR A SINGLE PISTON OR FOR ALL PISTONS OF AN INTERNAL COMBUSTION ENGINE, AIR COMPRESSOR, OR THE LIKE.]. 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 4310007220941 contains an unknown precious metal.
This information was last updated on May 01, 2025.