National Stock Number
5310-01-615-5181
National Stock Number (NSN) 5310-01-615-5181, or NIIN 016155181, (nut,plain,cap) was assigned January 15, 2013 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 a year. 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: SPE4A625PY792, SPE4A624V9602, SPE5E818V7186. The total value of the awarded contracts has been US$ 1,448.00.
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 Jun 01, 2018, 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) 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 5310016155181 does not contain precious metals.
This information was last updated on Jul 01, 2026.