National Stock Number
5315-00-522-1981
National Stock Number (NSN) 5315-00-522-1981, or NIIN 005221981, (pin,shoulder,headless) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, only one supplier is 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 assigned to Item Name Code (INC) 16749. [A CYLINDRICALLY-SHAPED HEADLESS ITEM, HAVING A SHANK AT ONE OR BOTH ENDS. IT IS USED FOR ALIGNING, FASTENING, OR TRANSFER OF TORQUE AND/OR THRUST BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. IT MAY BE THREADED ON ONE END.]. 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 5315005221981 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.