National Stock Number
5340-01-287-5113
National Stock Number (NSN) 5340-01-287-5113, or NIIN 012875113, (insert,self-locking) was assigned October 23, 1988 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 Oct 15, 2015. 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: SPE5EK16M0023, SPE5EK15V2267. The total value of the awarded contracts has been US$ 6,644.00.
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 Dec 05, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 31470. [A NONMETALLIC UNTHREADED ITEM GENERALLY ROUND IN CROSS-SECTIONAL SHAPE WHICH, WHEN PLACED ON/IN A MACHINED-OUT PORTION OF THE THREADS OF A SCREW OR BOLT, OR INSERTED INTO THE MACHINED-OUT PORTION OF THE THREADS OF A NUT, LOCKS THE ITEM, TO WHICH IT IS FIXED, TO THE ATTACHED MATING MEMBER AND PREVENTS LOOSENING DURING EXCESSIVE VIBRATION. EXCLUDES BOLT, SELF-LOCKING; NUT, SELF-LOCKING (AS MODIFIED); SCREW, SELF-LOCKING; AND INSERT, SCREW THREAD.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340012875113 does not contain precious metals.
This information was last updated on May 01, 2025.