National Stock Number
3431-00-397-3699
National Stock Number (NSN) 3431-00-397-3699, or NIIN 003973699, (collet body,welding torch) was assigned April 15, 1974 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. 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: SPE8E525P0337, SPE8E524V0015, SPE8E520V3885, SPE8E620V0174, SPE8E619V0930. The total value of the awarded contracts has been US$ 1,571.00.
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 Dec 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 36906. [AN ITEM DESIGNED TO RETAIN AN ELECTRODE IN A TORCH, WELDING, GAS SHIELDED ARC. IT MUST BE THREADED ON ONE OR BOTH ENDS AND HAVE HOLES AROUND ITS PERIPHERY. A GAS LENS MAY OR MAY NOT BE AN INTEGRAL PART OF THE BODY.]. 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 3431003973699 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 Jul 01, 2025.