National Stock Number
5307-01-321-8780
National Stock Number (NSN) 5307-01-321-8780, or NIIN 013218780, (stud,shouldered and stepped) was assigned June 25, 1990 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 15944. [A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS, ON WHICH THE NOMINAL DIAMETER OF ONE THREADED SECTION IS GREATER THAN THE OTHER. ALL OR PART OF THE UNTHREADED SECTION IS GREATER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGEST THREADED SECTION. IT MAY BE THREAD RELIEVED. EXCLUDES:ITEMS WITH TAPERED THREADS. SEE ALSO STUD, LOCKED IN.]. 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 5307013218780 does not contain precious metals.
This information was last updated on Jul 01, 2026.