National Stock Number
2510-01-517-3991
National Stock Number (NSN) 2510-01-517-3991, or NIIN 015173991, (kingpin,fifth wheel) was assigned February 6, 2004 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 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. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 46 contracts issued for this part number, with 97 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7L325F0762, SPE7L324F4853, SPE7L323F7667, SPE7L323F4882, SPE7L323F3840. The total value of the awarded contracts has been US$ 359,887.78.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Dec 04, 2013, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 11407. [A METAL ITEM DESIGNED FOR MOUNTING TO A FIFTH WHEEL COUPLER OR FIFTH WHEEL UPPER PLATE TO PROVIDE A TOWING AND PIVOT CONNECTION BETWEEN A TRUCK-TRACTOR OR DOLLY AND THE SEMITRAILER.]. 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 2510015173991 does not contain precious metals.
This information was last updated on Jul 01, 2025.