National Stock Number
5315-00-043-1781
National Stock Number (NSN) 5315-00-043-1781, or NIIN 000431781, (pin,cotter) 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 2 suppliers. Today, 2 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 assigned to Item Name Code (INC) 02381. [A HALF ROUND, CYLINDRICAL, OR FLAT PIECE OF METAL, BENT TO FORM A STRAIGHT OR CRIMPED TWO-PRONGED DEVICE WITH AN EYE AT ONE END, FOR INSERTING IN A HOLE DRILLED AT RIGHT ANGLE TO THE AXIS OF THE STUD, SHAFT, OR LIKE ITEM. ITS ENDS ARE SEPARABLE OR ONE END IS BENT TO HOLD IT IN PLACE.]. 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 5315000431781 contains an unknown precious metal.
This NSN is associated to Schedule B 7415290000: copper screws, nuts, bolts, rivets, and other fasteners not threaded. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on Jul 01, 2025.