National Stock Number
4310-00-991-9140
National Stock Number (NSN) 4310-00-991-9140, or NIIN 009919140, (ring set,piston) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 009919140 was cancelled on May 2, 1999, 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, 4310006099619.
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 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 4310009919140 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.