National Stock Number
5133-01-677-4597
National Stock Number (NSN) 5133-01-677-4597, or NIIN 016774597, (countersink set) was assigned December 14, 2018 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) 21148. [A GROUP OF COUNTERSINKS HAVING DIFFERENT TYPES, SIZES AND OTHER CHARACTERISTICS. THEY SHALL BE MADE OF CARBON OR HIGH SPEED STEEL. THE SET CAN BE MADE UP OF STRAIGHT SHANK TYPE, BACK TYPE, TAPER SHANK TYPE, SPECIAL SHANK TYPE, BIT STOCK SHANK TYPE, OR MALE FLATTED ROUND SHANK WITH NOTCH DRIVE TYPE.]. 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 5133016774597 does not contain precious metals.
This information was last updated on May 01, 2025.