National Stock Number (NSN) 3040-01-158-6344, or NIIN 011586344, (shaft,straight) was assigned July 26, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 09, 2014, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 3040011586344 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 Aug 01, 2025.