National Stock Number
5315-00-181-6564
National Stock Number (NSN) 5315-00-181-6564, or NIIN 001816564, (key,machine) was assigned April 29, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5315004488707.
There are 2 manufacturer part numbers associated with this NSN. One of those 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 31, 2017. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A717V1814, SPE5E714V1577. The total value of the awarded contracts has been US$ 945.00.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 06, 2013, 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) 02378. [A METALLIC ITEM, USUALLY SQUARE OR RECTANGULAR IN CROSS SECTION, USUALLY LONGER IN RELATION TO ITS WIDTH AND THICKNESS, WITH OR WITHOUT A HEAD, USUALLY DESIGNED TO FIT INTO THE PRE-CUT SLOTS OF TWO ADJACENT CYLINDRICALLY SHAPED MEMBERS, TO PREVENT RELATIVE ROTATIONAL MOVEMENT BETWEEN THE TWO. IT MAY HAVE MOUNTING HOLES OR SLOTS.]. 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 5315001816564 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.