National Stock Number (NSN) 5310-01-131-2943, or NIIN 011312943, (nut,plain,cap) was assigned May 7, 1982 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 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 Aug 07, 2015. There have been 3 contracts issued for this part number, with 3 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: SPE5E715V5334, SPE5E715V5334, SPE5E714V1874, SPE5E714V1874, SPM5E013M0852. The total value of the awarded contracts has been US$ 597.17.
This NSN is somewhat common among different platforms, belonging to 5 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 12, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 01855. [AN ITEM INTERNALLY THREADED FROM ONE END, AND COMPLETELY INCLOSED ON THE OPPOSITE END. THE OUTER PERIPHERY PARALLEL TO THE THREADED AXIS MAY BE SQUARE, CYLINDRICAL, HEXAGONAL, OCTAGONAL, OR DODECAGONAL AND TAPER TO A CONE OR DOME SHAPE ON THE CLOSED END. FOR LIKE ITEMS WHICH ARE STAMPED OR FORMED FROM SHEET STOCK, SEE NUT (1), STAMPED. FOR SIMILAR ITEMS WHICH ARE FLAT ON TOP AND BOTTOM SEE NUT (1), SLEEVE OR POST, ELECTRICAL-MECHANICAL EQUIPMENT.]. 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 5310011312943 does not contain precious metals.
This NSN is associated to Schedule B 7318160000: nuts of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on Aug 01, 2025.