National Stock Number
5340-01-251-6287
National Stock Number (NSN) 5340-01-251-6287, or NIIN 012516287, (standoff,threaded,spacing) was assigned March 21, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5340009003522.
There are 9 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 4 suppliers. Today, 3 suppliers are listed as Active suppliers 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.
This NSN is very common among different weapons systems, belonging to 37 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, 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) 40280. [A STANDOFF THAT MUST HAVE A THREADED END(S) OR BE INTERNALLY THREADED ITS FULL LENGTH. FOR ITEMS HAVING EXTERNAL THREADS ON BOTH ENDS, SEE STUD (AS MODIFIED). FOR ITEMS WITH AN OUTSIDE CONTOUR THAT IS THE SAME FOR THE ENTIRE LENGTH, ARE FLAT ON TOP AND BOTTOM, HAVING INTERNAL THREADS ITS FULL LENGTH, AND THE LENGTH DOES NOT EXCEED TWICE THE WIDTH ACROSS THE FLATS OR OUTSIDE DIAMETER, SEE NUT (AS MODIFIED); USE MAXIMUM DIMENSIONS(S) FOR COMPLIANCE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 5340012516287 does not contain precious metals.
This information was last updated on Aug 01, 2025.