National Stock Number
5325-00-641-0531
National Stock Number (NSN) 5325-00-641-0531, or NIIN 006410531, (receptacle,turnlock fastener) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5325011841840.
There are 7 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625PE460. The total value of the awarded contracts has been US$ 2,342.21.
This NSN is very common among different weapons systems, belonging to 25 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 Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18485. [A THREADED OR TEMPERED ITEM USED TO SECURE THE STUD, TURNLOCK FASTENER OR STUD ASSEMBLY, TURNLOCK FASTENER BY ENGAGING WITH THE CROSS PIN, CAM LEAD THREADS, OR EARED NUT OF THE STUD, TURNLOCK FASTENER AND SECURING IT BY MEANS OF ITS THREAD LOCKING OR SPRING ACTION.]. 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 5325006410531 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.