National Stock Number
3040-01-653-9358
National Stock Number (NSN) 3040-01-653-9358, or NIIN 016539358, (tension spring assembly) was assigned April 12, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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 2 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 13, 2016, 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) 67749. [A DEVICE THAT EXSERTS CONSTANT MECHANICAL TENSION OR PRESSURE AGAINST ANOTHER ITEM BY MEANS OF A SPRING, ARM, ROLLER AND THE LIKE. THIS ITEM MAY ALSO INCLUDE A QUICK RELEASE HANDLE OR LEVER TO RELEASE TENSION AND ALLOW FREE TRAVEL WHEN NECESSARY FOR MANUAL OPERATION, ADJUSTMENT OR MAINTENANCE.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 3040016539358 does not contain precious metals.
This information was last updated on Jul 01, 2025.