National Stock Number
5133-00-595-8270
National Stock Number (NSN) 5133-00-595-8270, or NIIN 005958270, (cutter,counterbore) 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 05425. [THE DETACHABLE PORTION OF A MACHINE COUNTERBORE WHICH INCLUDES THE CUTTING EDGES AND A SPECIAL SHANK. THE SPECIAL SHANK IS DESIGNED TO ACCOMMODATE A SPECIAL HOLDER. THE CUTTER MAY HAVE AN INTEGRAL PILOT OR BE DESIGNED FOR AN INTERCHANGEABLE PILOT, WHICH MAY OR MAY NOT BE INCLUDED. FOR ITEMS WITH SPECIAL HOLDER INCLUDED, USE COUNTERBORE, MACHINE.]. 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 5133005958270 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.