National Stock Number
5315-01-603-1990
National Stock Number (NSN) 5315-01-603-1990, or NIIN 016031990, (key,woodruff) was assigned February 23, 2012 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, with the most recent procurement date of May 05, 2014. There have been 2 contracts issued for this part number, with 2 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: SPE5E714V3732, SPM5E713M2252. The total value of the awarded contracts has been US$ 894.40.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little 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 Apr 13, 2013, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02380. [AN ITEM IN THE FORM OF A SEGMENT OF A DISK, WHICH MAY HAVE A FLAT BOTTOM, WITH OR WITHOUT PROJECTING SHOULDERS, DESIGNED TO FIT INTO A KEYWAY IN AN AXLE OR SHAFT, AND INTO A MATCHING SLOT IN THE HUB OR BOSS OF A WHEEL, GEAR OR PULLEY.]. 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 5315016031990 does not contain precious metals.
This information was last updated on Jul 01, 2025.