National Stock Number
4310-12-186-0782
National Stock Number (NSN) 4310-12-186-0782, or NIIN 121860782, (ring set,piston) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 01, 2011. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM7M911M5141, SPM7M310M3541. The total value of the awarded contracts has been US$ 469.00.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 information was last updated on May 23, 2025.