National Stock Number (NSN) 3040-00-335-9331, or NIIN 003359331, (shaft,shouldered) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 08, 2014. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7L315M0229, SPE7L314VA509, SPE7L314V8590, SPE7L314M5133, SPE7L314M3687. The total value of the awarded contracts has been US$ 6,319.09.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government's rights to use data in its possession is questionable. (NOTE: This code is only applicable to parts under immediate buy requirements and only as long as rights to data are still under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22914. [A SHAFT HAVING TWO OR MORE DIFFERENT DIAMETERS (GREATER THAN 0.031 INCHES (0.79 MILLIMETER)) ALONG ITS LENGTH. IT MUST HAVE ONE OR MORE OF THE FOLLOWING CONDITIONS: A SPECIFIED SURFACE FINISH DESIGNATION IN THE RANGE 1 TO 125 MICROINCHES (0.025 TO 3.2 MICROMETERS) ARITHMETICAL AVERAGE (AA), MACHINED PERIPHERAL FLAT(S), CIRCULAR GROOVE(S), KEYWAY(S), SPLINES, THREADS, OR HOLES. THE ENDS AND/OR SHOULDERS MAY BE MACHINED TO ACCOMMODATE BEARINGS, COUPLINGS, AND THE LIKE. IT IS NOT DESIGNED FOR USE IN ALIGNING BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. FOR ITEMS USED TO SUPPORT ROTATING MEMBERS SEE AXLE(1), SHOULDERED. FOR ITEMS NOT HAVING ANY OF THE ABOVE CONDITIONS SEE PIN, SHOULDER, HEADLESS. EXCLUDES:SHAFT(1), STRAIGHT; AND AXLE(1), STRAIGHT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3040003359331 contains an unknown precious metal.
This NSN is associated to Schedule B 8483105000: transmission shafts and cranks, except camshafts and crankshafts. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Aug 01, 2025.