National Stock Number
5305-00-852-4421
National Stock Number (NSN) 5305-00-852-4421, or NIIN 008524421, (setscrew) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). NIIN 008524421 was cancelled on November 9, 2018, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5305003362152. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 06672. [AN EXTERNALLY THREADED DEVICE WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH OR WITHOUT A HEAD AND HAVING A CUP, CONE, OR OTHER TYPE OF MACHINED POINT DESIGNED TO PREVENT OR RESTRICT RELATIVE MOVEMENT OF PARTS AND DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.]. 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 5305008524421 does not contain precious metals.
This information was last updated on Aug 01, 2025.