{"product_id":"bk-521-910hc-hex-black-iron-bushing-1-4x1-8","title":"Bk 521-910HC Hex Black Iron Bushing 1\/4x1\/8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BK 521-910HC is a hexagon black iron pipe bushing designed to reduce a 1\/4-inch male NPT thread down to a 1\/8-inch female NPT thread. Constructed from black malleable iron meeting ANSI\/ASTM A-197 material standards, this bushing provides a durable, pressure-rated connection point in iron pipe systems. Threads conform to ANSI B1.20.1 for reliable sealing when properly assembled. The hex body allows standard wrench engagement for controlled makeup. Licensed plumbers and pipefitters use this type of fitting when reducing branch connections, gauge ports, or instrument taps in gas and fluid distribution systems.\u003c\/p\u003e\u003cp\u003eThis bushing is suited for residential and light commercial piping applications involving natural gas, propane, steam, or water service where black iron fittings are specified. It is sold individually and is appropriate for new installation or maintenance work where a threaded size reduction is required at a valve, manifold, or appliance connection point. Each unit is flag tagged and individually inspected to confirm dimensional and thread compliance.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBlack malleable iron construction per ANSI\/ASTM A-197\u003c\/li\u003e\n\u003cli\u003eHexagon body for full wrench engagement during installation\u003c\/li\u003e\n\u003cli\u003e1\/4-inch male NPT to 1\/8-inch female NPT configuration\u003c\/li\u003e\n\u003cli\u003eThreads cut to ANSI B1.20.1 for consistent fit and seal\u003c\/li\u003e\n\u003cli\u003eDimensions conform to ANSI\/ASME B16.3, B16.14, and B16.39\u003c\/li\u003e\n\u003cli\u003e100 percent inspected and quality tested at the factory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-work fitting for black iron threaded pipe systems requiring a 1\/4-inch male to 1\/8-inch female NPT reduction.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a licensed plumber or pipefitter. Shut off and depressurize the affected line before disassembly or fitting makeup. Apply an approved pipe thread sealant or PTFE tape to the male threads per the applicable code — IFGC for gas systems, IPC for water and steam. Do not overtighten; use the hex body with a properly sized wrench and avoid pipe-wrench contact on the hex flats where possible to prevent deformation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Black Malleable Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Standard\u003c\/strong\u003e: ANSI\/ASTM A-197\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: ANSI B1.20.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional Standard\u003c\/strong\u003e: ANSI\/ASME B16.3, B16.14, B16.39\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMale Thread Size\u003c\/strong\u003e: 1\/4 inch NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFemale Thread Size\u003c\/strong\u003e: 1\/8 inch NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Style\u003c\/strong\u003e: Hexagon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.044 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 521-910HC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"B\u0026K","offers":[{"title":"Default Title","offer_id":51344677110066,"sku":"521-910HC","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310549884.jpg?v=1782040032","url":"https:\/\/voomisupply.com\/products\/bk-521-910hc-hex-black-iron-bushing-1-4x1-8","provider":"Voomi Supply","version":"1.0","type":"link"}