{"product_id":"sigma-819905605-hex-head-bushing-3-4x1-2-in-mnpt-fnpt-galvanized","title":"Sigma 819905605 Hex Head Bushing 3\/4x1\/2 in Mnpt Fnpt Galvanized","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SIGMA 819905605 is a FIG 383 Type A hex head pipe bushing designed to reduce a 3\/4-inch male NPT connection down to a 1\/2-inch female NPT port. Constructed from malleable iron with a hot-dip galvanized finish, this bushing delivers corrosion resistance suited to wet or outdoor piping environments. The hex head profile allows standard wrench engagement for secure, leak-free installation. Plumbers, pipefitters, and mechanical contractors install this type of fitting in threaded pipe systems where a threaded reduction is needed without the use of a coupling and reducer combination.\u003c\/p\u003e\n\u003cp\u003eThis bushing is commonly used in residential and light commercial plumbing, fire protection, and HVAC piping systems where galvanized malleable iron fittings are specified. Typical applications include water supply lines, compressed air distribution, and general-purpose black or galvanized pipe assemblies. The MNPT x FNPT configuration allows the fitting to thread directly into a female-threaded port while accepting a smaller male-threaded pipe or fitting on the interior seat.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4-inch MNPT outer thread reduces to 1\/2-inch FNPT inner thread\u003c\/li\u003e\n  \u003cli\u003eMalleable iron construction provides durability and impact resistance in threaded piping systems\u003c\/li\u003e\n  \u003cli\u003eGalvanized finish resists corrosion in wet and outdoor installations\u003c\/li\u003e\n  \u003cli\u003eHex head profile allows engagement with standard pipe wrenches or open-end wrenches\u003c\/li\u003e\n  \u003cli\u003eFIG 383 Type A designation for straightforward specification and cross-referencing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation fitting for standard NPT threaded galvanized and black malleable iron pipe systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by licensed plumbers or pipefitters in accordance with applicable IPC and local mechanical codes. Shut off the water supply or depressurize the system before installing or replacing threaded fittings. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly. Do not over-tighten, as malleable iron threads can crack under excessive torque.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Size\u003c\/strong\u003e: 3\/4 x 1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Style\u003c\/strong\u003e: MNPT x FNPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Malleable Iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Galvanized\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFigure\u003c\/strong\u003e: FIG 383 Type A\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: SIGMA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 819905605\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIGMA","offers":[{"title":"Default Title","offer_id":51525130846514,"sku":"GALBUSH3412I-LF","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/89b042a6433f59f3a7393de72ad9a709_e51e6388-34d1-43ee-8614-b3b2b1265296.jpg?v=1785465174","url":"https:\/\/voomisupply.com\/products\/sigma-819905605-hex-head-bushing-3-4x1-2-in-mnpt-fnpt-galvanized","provider":"Voomi Supply","version":"1.0","type":"link"}