{"product_id":"b-k-mueller-indsimport-521-203hn-1-2-in-black-coupling-25-pack","title":"B K\/mueller Inds(import) 521-203HN 1\/2 in Black Coupling 25-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe B K\/MUELLER INDS(IMPORT) 521-203HN is a 1\/2 inch black right-hand threaded coupling designed for joining pipe sections in gas, water, or general fluid piping systems. This coupling uses standard right-hand (clockwise) thread engagement, making it compatible with conventional threaded pipe and fittings. The black finish is typical of malleable iron or black-iron fittings commonly specified for gas distribution and low-pressure piping. Sold in a package of 25 units, this SKU is suited for contractors and service professionals who need job-lot quantities for residential or light commercial rough-in work.\u003c\/p\u003e\n\u003cp\u003eThis coupling is a standard pipe fitting used in residential and light commercial plumbing, gas piping, and mechanical systems where 1\/2 inch threaded connections are required. Typical applications include natural gas supply lines, propane distribution, and general-purpose black iron piping assemblies. Plumbers, pipefitters, and HVAC technicians commonly use this fitting during rough-in, repair, or extension of threaded pipe runs. The 25-count package quantity supports multi-unit job sites or shop stock replenishment.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2 inch right-hand thread for standard pipe engagement\u003c\/li\u003e\n  \u003cli\u003eBlack finish suitable for gas and general-purpose piping applications\u003c\/li\u003e\n  \u003cli\u003eSold in a package of 25 units for job-lot efficiency\u003c\/li\u003e\n  \u003cli\u003eStraight coupling design connects two pipe sections inline\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard-stock fitting for 1\/2 inch right-hand threaded black iron pipe systems in residential and light commercial applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by licensed plumbers or pipefitters following applicable codes such as the IPC or IFGC. Shut off gas or water supply and depressurize the line before disassembling any threaded connection. Apply an approved thread sealant or PTFE tape rated for the service medium before making up the joint. Do not over-tighten threaded fittings; use a pipe wrench with a backup wrench on adjacent fittings to avoid stress on existing piping.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePipe Size\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Orientation\u003c\/strong\u003e: Right-hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 25 units\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 4.39 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\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: B K\/MUELLER INDS(IMPORT)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 521-203HN\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOUTHLAND","offers":[{"title":"Default Title","offer_id":51558015861042,"sku":"521-203HN","price":32.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0f1641d237f3a143f6e1ca4d800374db_0144ca38-e1c2-46a6-a4eb-8cfdbc5ad6ec.jpg?v=1786400910","url":"https:\/\/voomisupply.com\/products\/b-k-mueller-indsimport-521-203hn-1-2-in-black-coupling-25-pack","provider":"Voomi Supply","version":"1.0","type":"link"}