National Stock Number
4310-12-355-5023
National Stock Number (NSN) 4310-12-355-5023, or NIIN 123555023, (connecting rod,piston) 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 has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M125P2896. The total value of the awarded contracts has been US$ 48,922.37.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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) 60266. [A DEVICE USED FOR CONNECTING A PISTON TO A CRANKSHAFT OR TO A MASTER CONNECTING ROD OF AN INTERNAL COMBUSTION ENGINE, STEAM RECIPROCATING ENGINE, RECIPROCATING AIR COMPRESSOR, OR THE LIKE. THE ROD MAY BE CONNECTED DIRECTLY TO THE PISTON, OR IT MAY TRANSMIT THE MOTION THROUGH A CROSSHEAD.].
This information was last updated on Oct 22, 2025.