National Stock Number
3040-01-388-4590
National Stock Number (NSN) 3040-01-388-4590, or NIIN 013884590, (axle,straight) was assigned March 31, 1994 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. 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, 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 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 20, 2020, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 40524. [A STRAIGHT AXLE HAVING TWO OR MORE OF THE FOLLOWING CONDITIONS: A SPECIFIED SURFACE FINISH DESIGNATION IN THE RANGE OF 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. IT IS NOT DESIGNED FOR USE IN ALIGING 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 NOT HAVING THE ABOVE CONDITIONS SEE PIN, STRAIGHT, HEADLESS. FOR ITEMS USED TO TRANSMIT MOTION SEE SHAFT, STRAIGHT. FOR ITEMS HAVING MACHINED ENDS WHICH CONSTITUTE STEPS SEE AXLE(1), SHOLDERED. EXCLUDES:SHAFT(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 3040013884590 does not contain precious metals.
This information was last updated on Jul 01, 2025.