National Stock Number
5305-00-637-9545
National Stock Number (NSN) 5305-00-637-9545, or NIIN 006379545, (screw,tapping) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006379545 was cancelled on January 2, 2002, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5305007537077. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 41756. [A HARDENED EXTERNALLY THREADED FASTENER WHOSE THREAD EXTENDS TO THE BEARING SURFACE OF THE HEAD. THE THREAD MAY BE FLUTED OR OTHERWISE DESIGNED TO CUT OR FORM ITS OWN MATING THREAD. EXCLUDES:SCREW, ASSEMBLED WASHER.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305006379545 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.