National Stock Number
3460-01-649-1421
National Stock Number (NSN) 3460-01-649-1421, or NIIN 016491421, (collet,machine) was assigned October 20, 2015 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 21, 2015, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 05102. [A WORK HOLDING DEVICE CONSISTING OF A LONGITUDINALLY SLOTTED SLEEVE WHICH HAS A TAPERING OR CONICAL END DESIGNED TO FIT INTO A CORRESPONDING TAPER OF A CHUCK SO THAT THE LENGTHWISE MOVEMENT OF THE SLEEVE CAUSES A CONTRACTION OR EXPANSION OF THE GRIPPING SURFACES. THE GRIPPING OR HOLDING TENSION IS ACTUATED BY A BACKWARD PULL (DRAW IN) OR BY A FORWARD PUSH (FORCE IN). USED ON LATHES, MILLING MACHINES, SCREW MACHINES AND THE LIKE. EXCLUDES:SOCKET, STRAIGHT SHANK TOOL AND SOCKET, TAPER SHANK TOOL.]. 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 3460016491421 does not contain precious metals.
This NSN is associated to Schedule B 8466933050: parts and accessories of metalworking machine tools for cutting, grinding or finishing gears. The Schedule B End Use is listed as metalworking machine tools.
This information was last updated on Jun 01, 2025.