{"product_id":"coilhose-pneumatics-121a-pneumatic-coupler-1-2-in-mnpt-brass","title":"Coilhose Pneumatics 121A Pneumatic Coupler 1\/2 in Mnpt Brass","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COILHOSE PNEUMATICS 121A is a brass pneumatic coupler designed for industrial interchange pneumatic systems. It features a 3\/8 inch male NPT threaded connection and a 1\/2 inch body diameter, making it a standard-size fitting for connecting air hoses and tools in shop and field environments. Rated to 300 psi maximum working pressure and capable of handling temperatures from -40 degrees F to 250 degrees F, the 121A is built for demanding compressed air applications. Plumbers, pipefitters, and maintenance technicians install this type of coupler as part of shop air distribution systems and portable compressor setups.\u003c\/p\u003e\n\u003cp\u003eThe 121A is suited for industrial interchange pneumatic circuits in both light manufacturing and heavy-duty maintenance environments. The industrial interchange profile is one of the most widely used coupling standards in North American shops, compatible with matching industrial interchange nipples and plugs. It is appropriate for use on air compressors, pneumatic tool connections, and hose assemblies where a reliable threaded brass coupler is required. Brass construction provides corrosion resistance in typical compressed air service conditions.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial interchange coupling profile for broad compatibility with standard pneumatic fittings\u003c\/li\u003e\n  \u003cli\u003eBrass construction for corrosion resistance in compressed air service\u003c\/li\u003e\n  \u003cli\u003e3\/8 inch male NPT threaded connection for secure, leak-resistant installation\u003c\/li\u003e\n  \u003cli\u003e1\/2 inch body diameter matches common industrial interchange coupler sizing\u003c\/li\u003e\n  \u003cli\u003e300 psi maximum working pressure rated for typical shop air systems\u003c\/li\u003e\n  \u003cli\u003eWide temperature range of -40 degrees F to 250 degrees F for varied operating environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation coupler for industrial interchange pneumatic systems using 3\/8 inch MNPT connections and 1\/2 inch body diameter fittings.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by maintenance technicians, pipefitters, or qualified pneumatic system technicians. Depressurize the air line completely and disconnect from the compressor before removing or installing any coupler. Apply thread sealant tape or compound rated for compressed air service to the NPT threads before installation. Follow applicable workplace compressed air safety standards and local codes when servicing pneumatic distribution systems.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoupling Type\u003c\/strong\u003e: Coupler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterchange Type\u003c\/strong\u003e: Industrial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: MNPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Diameter\u003c\/strong\u003e: 1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 300 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e: 250 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Temperature\u003c\/strong\u003e: -40 degrees F\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: COILHOSE PNEUMATICS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 121A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COILHOSE PNEUMATICS","offers":[{"title":"Default Title","offer_id":51560801337650,"sku":"121A","price":74.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ee4b298cf9458febce12ec72b306d904_6eb99dcd-ca3c-463c-ad06-60976997e795.jpg?v=1786457930","url":"https:\/\/voomisupply.com\/products\/coilhose-pneumatics-121a-pneumatic-coupler-1-2-in-mnpt-brass","provider":"Voomi Supply","version":"1.0","type":"link"}