National Stock Number (NSN) 5315-01-124-3211, or NIIN 011243211, (pin,shoulder,headless) was assigned December 31, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 3 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A623FBEZB, SPE4A623FBEZB, SPE5E916V0998, SPE5E916V0998, SPM5AY10D0051. The total value of the awarded contracts has been US$ 41,200.82.
This NSN is somewhat common among different platforms, belonging to 4 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 Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 16749. [A CYLINDRICALLY-SHAPED HEADLESS ITEM, HAVING A SHANK AT ONE OR BOTH ENDS. IT IS USED FOR ALIGNING, FASTENING, OR TRANSFER OF TORQUE AND/OR THRUST BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. IT MAY BE THREADED ON ONE END.]. 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 5315011243211 does not contain precious metals.
This NSN is associated to Schedule B 7610900050: aluminum structures and parts of structures, nesoi; aluminum plates, rods, profiles, tubes and the like, prepared for use in structures. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332312: fabricated structural metal manufacturing.
This information was last updated on Aug 01, 2025.