National Stock Number
5133-00-142-4978
National Stock Number (NSN) 5133-00-142-4978, or NIIN 001424978, (bit,forstner) 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. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 11210. [A SPURLESS BORING TOOL WITH A CUTTER HEAD HAVING A SCORING RIB ON OPPOSITE SIDES OF ITS PERIPHERY, SEPARATED BY TWO VERTICAL CUTTING EDGES WITH SLOTS FOR CHIP CLEARANCE. THE TOOL IS GUIDED BY ITS CIRCULAR RIM IN LIEU OF A POINTED TIP. THE TOOL MAY HAVE A SHANK FOR USE IN EITHER A BIT BRACE OR A POWERED MECHANISM.]. 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 5133001424978 does not contain precious metals.
This NSN is associated to Schedule B 8205100000: drilling, threading or tapping tools and parts thereof, base metal. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Jul 01, 2025.