National Stock Number
3460-21-912-5443
National Stock Number (NSN) 3460-21-912-5443, or NIIN 219125443, (chuck,universal jaw) has an unknown assigned date. 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 05175. [AN ACCESSORY USED FOR HOLDING OBJECTS DIRECTLY TO THE SPINDLE OF A MACHINE, ARBOR, SHAFT, OR THE LIKE, WITHOUT THE USE OF CENTERS. TWO OR MORE SELF-CENTERING JAWS ARE ADJUSTED SIMULTANEOUSLY, USUALLY BY ROTATION OF A SCROLL GEAR WHICH ENGAGES SLOTS OR TEETH IN THE BACK OF THE JAWS. MAXIMUM RATED CAPACITY IS IN EXCESS OF ONE (1) INCH (25.4 MM) DIAMETER. FOR UNIVERSAL CHUCKS HAVING A MAXIMUM CAPACITY OF ONE (1) INCH (25.4 MM) OR LESS, SEE CHUCK, DRILL. EXCLUDES:CHUCK, CENTERING, LATHE.].
This information was last updated on Nov 10, 2025.