{"product_id":"tweco-1240-1204-heavy-duty-mig-nozzle-450a-1-2-bore-2-pack","title":"Tweco 1240-1204 Heavy Duty Mig Nozzle 450A 1\/2 Bore 2 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe TWECO 1240-1204 is a heavy duty MIG welding nozzle designed for use with 450 A Tweco SprayMaster MIG guns. The nozzle features a 1\/2 inch bore, a 0.875 inch outer diameter, and measures 3.21 inches in length. It is constructed from 122 DHP copper alloy tubing using a three-piece design that integrates a nozzle housing, a solid brass machined insert, and a G7 silicone insulator. No additional insulator is required. The part number is roll-stamped on the outer surface for fast field identification. Sold as a 2-piece pack, this nozzle is intended for licensed welding professionals and fabricators working in medium to heavy duty applications.\u003c\/p\u003e\n\u003cp\u003eThis nozzle fits standard gas diffusers used on Tweco SprayMaster MIG guns rated up to 450 A. It is suited for medium to heavy duty welding environments where high heat output and extended run times are routine. The recessed tip geometry makes it appropriate for applications requiring longer electrical stick-out or situations where the nozzle may contact the workpiece, such as tack, spot, and stitch welding. The nozzle insert slides over the metal spring of the gas diffuser, and the G7 silicone insulator provides the electrical isolation needed between the nozzle and diffuser body.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eRated for welding applications up to 450 A with Tweco SprayMaster MIG guns\u003c\/li\u003e\n  \u003cli\u003eThree-piece design: 122 DHP copper alloy housing, solid brass machined insert, G7 silicone insulator\u003c\/li\u003e\n  \u003cli\u003eNo additional insulator required — insulation is built into the assembly\u003c\/li\u003e\n  \u003cli\u003ePart number roll-stamped on outer surface for quick identification in the field\u003c\/li\u003e\n  \u003cli\u003eRecessed tip profile suited for longer electrical stick-out and workpiece contact scenarios\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-piece pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with 450 A Tweco SprayMaster MIG guns equipped with standard gas diffusers. Fits the 3\/4 inch standard gas diffuser interface. Consult Tweco documentation to confirm fitment with specific gun configurations.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by qualified welders or MIG gun service technicians. Before replacing the nozzle, power down the welder and allow the gun to cool completely to avoid burns from residual heat. The nozzle insert slides over the metal spring on the gas diffuser — do not force the nozzle onto the diffuser. Inspect the diffuser and contact tip for wear before installing a new nozzle to ensure full assembly integrity.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e: 450 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNozzle Length\u003c\/strong\u003e: 3.21 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e: 0.875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing Material\u003c\/strong\u003e: 122 DHP copper alloy tubing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulator Material\u003c\/strong\u003e: G7 silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 3.1 x 1.1 x 1.1 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.21 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSold As\u003c\/strong\u003e: 2 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 608246337159\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TWECO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1240-1204\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TWECO","offers":[{"title":"Default Title","offer_id":51342887092530,"sku":"1240-1204","price":64.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310545935.jpg?v=1782009673","url":"https:\/\/voomisupply.com\/products\/tweco-1240-1204-heavy-duty-mig-nozzle-450a-1-2-bore-2-pack","provider":"Voomi Supply","version":"1.0","type":"link"}