{"product_id":"jb-industries-hns4-12-old-style-extra-heavy-nut-3-4-in-1-3-8-hex-2-pack","title":"Jb Industries HNS4-12 Old-Style Extra Heavy Nut (3\/4 in, 1-3\/8 Hex, 2 Pack)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe JB Industries HNS4-12 is an old-style extra heavy nut with a 3\/4 in flared connection, manufactured from C360\/C370 brass. It provides a sealed flare connection for copper, brass, aluminum, steel, and compatible plastic tubing, and is supplied as a two-pack. The fitting is forged for tensile strength, features a 1-3\/8 in hex, and is rated for temperatures from -20 to 220 F and pressures that can reach up to 5,000 psi depending on conditions (valve core typically limits working pressure to 800 psi).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: forged C360\/C370 brass; 1-3\/8 in hex for tightening\u003c\/li\u003e\n  \u003cli\u003ePressure\/temperature: handles vacuum and up to 5,000 psi depending on conditions; valve core typically limits working pressure to 800 psi; -20 to 220 °F (-40 to 121.1 °C)\u003c\/li\u003e\n  \u003cli\u003eCompatibility and design: flared 3\/4 in connection for copper, brass, aluminum, steel and suitable plastic tubing; long nuts recommended where vibration is present\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eOld-style extra heavy flare nut, 3\/4 in flared connection, C360\/C370 brass, 1-3\/8 in hex, 2-pack; -20 to 220 °F; up to 5,000 psi depending on conditions (800 psi valve core limit).\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: JB INDUSTRIES\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: HNS4-12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: JB Industries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: HNS4-12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name\u003c\/strong\u003e: Old-Style Extra Heavy Nut\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Extra heavy-duty flare nut (old style)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 3\/4 in (OD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Flared\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHex Size\u003c\/strong\u003e: 1-3\/8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass (C360\/C370)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: Up to 5,000 psi depending on size, material, and conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Pressure (valve core limit)\u003c\/strong\u003e: 800 psi (typical valve core limit)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range\u003c\/strong\u003e: -20 to 220 °F (-40 to 121.1 °C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Tubing Materials\u003c\/strong\u003e: Copper, brass, aluminum, steel, and compatible plastic tubing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: Generally conforms to SAE, ASA, ASME, MS where applicable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufactured Location\u003c\/strong\u003e: Aurora, IL, USA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUsage Notes\u003c\/strong\u003e: Long nuts recommended for vibration-prone applications; tubing should be double-flared in extreme applications\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"JB INDUSTRIES","offers":[{"title":"Default Title","offer_id":51773372137778,"sku":"HNS4-12","price":44.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/HNS4-4-TO-HNS4-12-JB-Old-Style-Extra-Heavy-Nut-Brass-Fittings.png?v=1789162798","url":"https:\/\/voomisupply.com\/products\/jb-industries-hns4-12-old-style-extra-heavy-nut-3-4-in-1-3-8-hex-2-pack","provider":"Voomi Supply","version":"1.0","type":"link"}