National Stock Number
3438-01-032-6961
National Stock Number (NSN) 3438-01-032-6961, or NIIN 010326961, (welding machine,electron beam) was assigned December 18, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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 Apr 02, 1996, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 66719. [AN AUTOMATED WELDING PROCESS THAT SENDS HIGHLY ACCELERATED ELECTRONS INTO THE WORKPIECE VAPORIZING A SMALL FOCAL CYLINDER TO A DEPTH OF UP TO 8 IN (200CM), MELTING THE ADJACENT MATERIAL. HIGH VAPOR FORCES PUSH MATERIAL TO THE SIDE, PRODUCING A KEY HOLE. AS THE BEAM ADVANCES THE MOLTEN MATERIAL SURROUNDING THE KEY HOLE FLOWS TO THE REAR AND SOLIDIFIES, CREATING AN EXTREMELY NARROW WELD SEAM. CONSISTING OF AN ELECTRON BEAM GUN, WORK CHAMBER, WORKPIECE MANIPULATOR, VACUUM SYSTEMS FOR GUN AND WORK CHAMBER, POWER SUPPLY AND CONTROLLER. MAY INCLUDE OPTICAL VIEWER.]. 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 3438010326961 does not contain precious metals.
This NSN is associated to Schedule B 8468905000: parts of machinery and apparatus,nesoi, for soldering, brazing, welding or surface tempering, other than those of heading 8515. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333992: welding and soldering equipment manufacturing.
This information was last updated on May 01, 2025.