National Stock Number (NSN) 3460-00-231-2256, or NIIN 002312256, (chuck,drill) 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. 2 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, there are no suppliers that 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, with the most recent procurement date of May 29, 2020. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE8E520P1230, SPE8E519V0844, SPE8E617P0384, SPE8E517P0845, SPE8E616M0376. The total value of the awarded contracts has been US$ 5,354.00.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 05101. [AN ACCESSORY FOR HOLDING TOOLS WITH A PLAIN CYLINDRICAL OR TAPERED SHANK SUCH AS DRILLS, TAPS, OR THE LIKE BY MEANS OF TWO OR MORE INTERNAL, SELF-CENTERING (UNIVERSAL) JAWS. IT MAY BE ATTACHED DIRECTLY TO THE SPINDLE OF A MACHINE, ARBOR, SHAFT, HAND MECHANISM, OR THE LIKE, WITHOUT THE USE OF CENTERS. IT CAN ALSO BE EQUIPPED WITH AN AUTOMATIC ROTATION REVERSAL MECHANISM. THE JAWS ARE SIMULTANEOUSLY ADJUSTED BY AN ADJUSTING NUT, SLEEVE, FEED SCREW, OR THE LIKE. THE MAXIMUM RATED CAPACITY OF THIS ITEM IS ONE INCH (25.4 MM) IN DIAMETER. FOR UNIVERSAL CHUCKS HAVING A CAPACITY GREATER THAN ONE INCH (25.4 MM), SEE CHUCK,UNIVERSAL JAW. EXCLUDES:CHUCK,CENTERING,LATHE.]. 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 3460002312256 contains an unknown precious metal.
This NSN is associated to Schedule B 8466100175: tool holders and self-opening dieheads, nesoi. The Schedule B End Use is listed as metalworking machine tools. NAICS classification category 333515: cutting tool and machine tool accessory manufacturing.
This information was last updated on Aug 01, 2025.