National Stock Number (NSN) 3040-01-240-1044, or NIIN 012401044, (shaft,straight) was assigned September 8, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3040012668188.
There are 5 manufacturer part numbers associated with this NSN. One of those 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, only one supplier is 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 30, 2018. 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 2 different suppliers. The last contract numbers awarded were: SPE7L018V8567, SPE7L318P2320, SPE7L314M0201, SPM7L113V1953, SPM7M113V2218. The total value of the awarded contracts has been US$ 1,590.83.
This NSN is fairly common among different weapons systems, belonging to 15 different platforms.
There has been a small amount of 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 Aug 02, 2004, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22109. [A STRAIGHT SHAFT HAVING TWO OR MORE OF THE FOLLOWING CONDITIONS: A SPECIFIED SURFACE FINISH DESIGNATION IN THE RANGE OF 1 TO 125 MICROINCHES (O.O25 TO 3.2 MICROMETERS), ARITHMETICAL AVERAGE (AA), MACHINED PERIPHERAL FLAT(S), CIRCULAR GROOVE (S), KEYWAY(S), SPLINES, THREADS, OR HOLES. IT IS NOT DESIGNED FOR USE IN ALIGNING BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. IT MAY BE DRILLED FOR LUBRICATING HOLES. FOR ITEMS HAVING AN INTEGRAL GEAR(S) OR WORM(S), SEE GEARSHAFT (AS MODIFIED). FOR ITEMS DESIGNED TO SUPPORT ROTATING MEMBERS SEE AXLE(1), STRAIGHT. FOR ITEMS NOT HAVING THE ABOVE CONDITIONS SEE PIN, STRAIGHT, HEADLESS. FOR ITEMS HAVING MACHINED ENDS WHICH CONSTITUTE STEPS SEE SHAFT(1), SHOULDERED; AXLE(1), SHOULDERED; AND BOLT, FLUID PASSAGE.]. 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 3040012401044 does not contain precious metals.
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 Jul 01, 2025.