National Stock Number
4310-12-355-5022
National Stock Number (NSN) 4310-12-355-5022, or NIIN 123555022, (crankshaft,compressor) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 2 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 20 contracts issued for this part number, with 19 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 13 different suppliers. The last contract numbers awarded were: SPE7M125V4812, SPE7M125P5524, SPE7M025P1319, SPE7M025P1318, SPE7M025P1319. The total value of the awarded contracts has been US$ 3,831,981.61.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a moderate 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) 61607. [A ROTATING MEMBER OF AN AIR COMPRESSOR, DESIGNED TO TRANSMIT THE LINEAR THRUST OF A PISTON(S) AND CONNECTING ROD ASSEMBLY(IES) INTO AXIAL MOTION.].
This information was last updated on Oct 27, 2025.