National Stock Number (NSN) 3040-01-559-8295, or NIIN 015598295, (shaft,straight) was assigned January 8, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 12, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The design of this part is unstable. Engineering, manufacturing, or performance characteristics indicate that the required design objectives have not been achieved. Major changes are contemplated because the part has a low process yield or has demonstrated marginal performance during tests or service use. These changes will render the present part obsolete and unusable in its present configuration. Limited acquisition from the present source is anticipated pending configuration changes. 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 3040015598295 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.