National Stock Number
4310-12-332-1518
National Stock Number (NSN) 4310-12-332-1518, or NIIN 123321518, (piston,compressor) 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 2 suppliers. Today, 2 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 16 contracts issued for this part number, with 15 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M125V5934, SPE7M125P7493, SPE7M125P5726, SPE7M125P5726, SPE7M025V5354. The total value of the awarded contracts has been US$ 1,229,505.62.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of 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) 22220. [A CYLINDRICAL PIECE WHICH MOVES OR RECIPROCATES IN A CYLINDER TO COMPRESS AIR OR GAS FROM AN INITIAL INTAKE PRESSURE TO A HIGHER DISCHARGE PRESSURE. MAY INCLUDE INTEGRAL CONNECTING ROD.].
This information was last updated on Aug 15, 2025.