National Stock Number
5315-00-234-1657
National Stock Number (NSN) 5315-00-234-1657, or NIIN 002341657, (pin,cotter) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5315008967992, 5315001879540, 5315000103385.
There are 37 manufacturer part numbers associated with this NSN. 19 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 47 suppliers. Today, 22 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 20 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for 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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
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 5315002341657 contains an unknown precious metal.
This NSN is associated to Schedule B 7318240000: cotters and cotter pins, of iron or steel. 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.