{"product_id":"parker-41if-6-brass-inverted-flare-nut-3-8-in-tube-od","title":"Parker 41IF-6 Brass Inverted Flare Nut 3\/8 in Tube Od","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARKER 41IF-6 is a brass inverted flare nut designed for use in flared tube connections requiring a secure, leak-resistant joint. It accepts 3\/8 inch tube OD and threads onto a 5\/8-18 UNF inverted flare fitting. Rated to 1000 psi maximum working pressure and up to 250 degrees F, this nut is built for demanding refrigeration, HVAC, and fluid-system applications. At 0.66 inches overall length and 0.03 pounds, it is a compact, direct-replacement component. HVAC technicians and plumbers install this fitting when servicing or assembling inverted flare tube assemblies in refrigerant lines, hydraulic circuits, and other pressurized systems.\u003c\/p\u003e\u003cp\u003eThis inverted flare nut is suited for residential and light commercial HVAC systems, refrigeration lines, and hydraulic tubing assemblies where SAE-standard inverted flare connections are specified. It is commonly installed wherever a 3\/8 inch OD tube must mate with a 5\/8-18 UNF inverted flare port or body. Its brass construction makes it compatible with copper and compatible alloy tubing in both new installations and service replacements.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBrass construction provides corrosion resistance and reliable sealing in refrigerant and fluid systems\u003c\/li\u003e\n\u003cli\u003e3\/8 inch tube OD with 5\/8-18 UNF inverted flare thread end connection\u003c\/li\u003e\n\u003cli\u003eRated to 1000 psi maximum working pressure\u003c\/li\u003e\n\u003cli\u003eRated to 250 degrees F maximum working temperature\u003c\/li\u003e\n\u003cli\u003eMeets SAE J51 standards and is UL Listed\u003c\/li\u003e\n\u003cli\u003eCompact at 0.66 inches overall length and 0.03 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement inverted flare nut for 3\/8 inch OD tube connections using 5\/8-18 UNF thread in HVAC, refrigeration, and fluid-handling systems where SAE J51 inverted flare fittings are specified.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by licensed HVAC technicians or plumbers. De-energize and depressurize the system fully before removing or installing any flare fitting. Use the appropriate flare nut wrench to avoid rounding the fitting; do not use pliers or adjustable wrenches on brass flare nuts. Verify tube flare condition and seat cleanliness before torquing to ensure a leak-free joint consistent with SAE J51 specifications.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Inverted Nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connection\u003c\/strong\u003e: Flare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube OD\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/8-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 1000 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 250 degrees F (121 degrees C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 0.66 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE J51, UL Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27121707\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PARKER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 41IF-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51539407569202,"sku":"41IF-6","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a08df2f43a736a3a258c79742b87b8f6.jpg?v=1785839477","url":"https:\/\/voomisupply.com\/products\/parker-41if-6-brass-inverted-flare-nut-3-8-in-tube-od","provider":"Voomi Supply","version":"1.0","type":"link"}