National Stock Number (NSN) 5325-00-639-5573, or NIIN 006395573, (receptacle,turnlock fastener) 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 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 14 sources of supply.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 23 contracts issued for this part number, with 20 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A625PW713, SPE4A625PW713, SPE4A625PW713, SPE4A625PW713, SPE4A625F5685. The total value of the awarded contracts has been US$ 226,937.36.
This NSN is very common among different weapons systems, belonging to 34 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 23, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. 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 5325006395573 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.