National Stock Number
5136-00-227-8631
National Stock Number (NSN) 5136-00-227-8631, or NIIN 002278631, (tap,thread cutting) 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 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 5 years.
This NSN is assigned to Item Name Code (INC) 15218. [AN INTERNAL THREADING TOOL WITH LONGITUDINALLY SEPARATED CUTTING EDGES DESIGNED TO FORM SPECIFIC 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 5136002278631 does not contain precious metals.
This NSN is associated to Schedule B 8207400000: tools for tapping or threading, parts thereof, of base metal. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333515: cutting tool and machine tool accessory manufacturing.
This information was last updated on Jul 01, 2025.