National Stock Number
3431-01-677-3745
National Stock Number (NSN) 3431-01-677-3745, or NIIN 016773745, (torch,welding,gas shielded arc) was assigned December 11, 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) 33825. [A TUBULAR OR GUN-SHAPED INSTRUMENT, HAND OR MACHINE HELD, FOR ARC WELDING AND PROVIDING AN ATMOSPHERE OF GAS. IT IS DESIGNED TO PERMIT USE OF VARIOUS TUNGSTEN ELECTRODES FOR DIFFERENT WELDING IN TUNGSTEN INERT GAS WELDING OR VARIOUS WIRE ELECTRODES IN CARBON DIOXIDE OR METAL INERT-GAS WELDING. WIRE ELECTRODES ARE FED THROUGH THE TORCH IN USE. THE ITEM CONSISTS OF A HANDLE AND A TORCH HEAD. EXCLUDES:TORCH, WELDING. SEE ALSO TORCH OUTFIT, WELDING, GAS SHIELDED ARC.]. 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 3431016773745 does not contain precious metals.
This NSN is associated to Schedule B 8515902000: welding machine parts and parts of apparatus. The Schedule B End Use is listed as metalworking machine tools. NAICS classification category 333992: welding and soldering equipment manufacturing.
This information was last updated on Aug 01, 2025.