National Stock Number (NSN) 5315-00-321-8737, or NIIN 003218737, (pin,straight,headless) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2910003359322.
There are 7 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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 fairly common among different weapons systems, belonging to 17 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02390. [A HEADLESS, GENERALLY CYLINDRICALLY-SHAPED ITEM HAVING A STRAIGHT, SMOOTH, SOLID BODY, WITH OR WITHOUT A DRILLED HOLE(S). IT HAS AN OUTSIDE DIAMETER EQUAL TO OR LESS THAN ITS LENGTH. ITS LENGTH MUST NOT EXCEED TWELVE INCHES (304 MM); FOR ITEMS WHOSE LENGTH EXCEEDS TWELVE INCHES (304 MM); SEE ROD,STRAIGHT,HEADLESS. IT IS USED FOR ALIGNING OR TRANSFER OF TORQUE AND/OR THRUST, BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. SEE ALSO PIN,STRAIGHT,THREADED.]. 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 5315003218737 contains an unknown precious metal.
This NSN is associated to Schedule B 7319409000: pins of iron or steel nesoi. The Schedule B End Use is listed as cell phones and other household goods, n.e.c.. NAICS classification category 339993: fastener, button, needle, and pin manufacturing.
This information was last updated on Jul 01, 2025.