National Stock Number
4310-01-205-4851
National Stock Number (NSN) 4310-01-205-4851, or NIIN 012054851, (ring set,piston) was assigned April 9, 1985 in the Federal Logistics Information System (FLIS). NIIN 012054851 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4310012054851 contains an unknown precious metal.
This information was last updated on May 01, 2025.