National Stock Number (NSN) 5325-00-641-0528, or NIIN 006410528, (stud assembly,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, 5325005822396.
There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 a year. There have been 9 contracts issued for this part number, with 9 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: SPE4A625FA57P, SPE4A624FAWW4, SPE5E417V6559, SPM5E112V0672, SPM5E112V0672. The total value of the awarded contracts has been US$ 25,026.04.
This NSN is fairly common among different weapons systems, belonging to 15 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 3,927. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 21, 2011, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 18484. [A STUD, TURNLOCK FASTENER OVER WHICH MAY BE ASSEMBLED AN EYELET, TURNLOCK FASTENER. STUD(S) WITHOUT CAM SLOTS OR CAM LEAD THREADS ARE PROVIDED WITH A CROSSPIN OR EARED NUT FOR LOCKING WITH THE MATING RECEPTACLE, TURNLOCK FASTENER. MAY BE SPRING LOADED. FOR LIKE ITEMS HAVING A THREADED FASTENER, SEE SCREW ASSEMBLY, PANEL OR SCREW, PANEL FASTENER.]. 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 5325006410528 contains an unknown precious metal.
This NSN is associated to Schedule B 9607190000: slide fasteners, nesoi. The Schedule B End Use is listed as finished textile supplies. NAICS classification category 339993: fastener, button, needle, and pin manufacturing.
This information was last updated on Aug 01, 2025.