National Stock Number
5365-00-596-5610
National Stock Number (NSN) 5365-00-596-5610, or NIIN 005965610, (ring,lock,serrated) 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 are 4 manufacturer part numbers associated with this NSN. 3 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, only one supplier is 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, with the most recent procurement date of Nov 02, 2018. 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: SPE4A619V2432, SPE4A617VG208. The total value of the awarded contracts has been US$ 28,698.24.
This NSN is fairly common among different weapons systems, belonging to 18 different platforms.
There has been a small amount of 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 Sep 15, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 16013. [A LOCKING DEVICE WHICH IS SERRATED ON THE INSIDE AND OUTSIDE DIAMETERS. IT MAY HAVE OUTER SERRATIONS OMITTED ON ONE OR TWO SIDES FOR CLOSE EDGE INSTALLATION. THE INNER SERRATIONS ENGAGE THE MATING SERRATIONS OF BOLTS, INSERTS, NUTS, STUDS OR SIMILAR ITEMS TO BE LOCKED IN PLACE. THE OUTER SERRATIONS BROACH THEIR WAY INTO PARENT MATERIAL WHEN DRIVEN OR PRESSED INTO 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 5365005965610 does not contain precious metals.
This information was last updated on Aug 01, 2025.