National Stock Number (NSN) 5315-00-059-0491, or NIIN 000590491, (pin,cotter) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 9 stock numbers. Five of the National Stock Numbers that it replaces are: 5315014223818, 5315004698193, 5315002004007, 5315007345591, 5315008567949.
There are 27 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 22 suppliers. Today, 16 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 11 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 19 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 03, 2020. There have been 14 contracts issued for this part number, with 14 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPEHA620F0841, SPEHA620F0841, SPEHA620F0841, SPEHA620F0841, SPEHA620F0841. The total value of the awarded contracts has been US$ 174,521.40.
This NSN is very common among different weapons systems, belonging to 223 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 8 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 5315000590491 does not contain precious metals.
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.