{"product_id":"evil-energy-6an-male-flare-to-3-8-npt-pipe-fitting-adapter","title":"EVIL ENERGY 6AN Male Flare to 3\/8\" NPT Pipe Fitting Adapter","description":"\u003cstrong\u003eEVIL ENERGY AN6 male flare to 3\/8\" NPT straight adapter is a black-anodized 6061-T6 aluminum fitting that joins AN6 flare lines to 3\/8\" NPT female pipe threads (sold as a pack of four).\u003c\/strong\u003e\n\nThis set of four straight adapters converts an AN6 (9\/16-18 UNF) male flare connection to a 3\/8\" NPT tapered pipe thread. Machined from aircraft-grade 6061-T6 aluminum and finished with a hard black anodize, these fittings are made for automotive and industrial low- to moderate-pressure fluid systems where a secure, compact transition between AN and NPT connections is needed.\n\n\u003ch3\u003eHow does this adapter create a leak-resistant connection?\u003c\/h3\u003e\n\u003cp\u003eThe AN side seals with a 37° flare seating surface while the NPT side uses a 60° tapered pipe thread for interference sealing. Because pipe threads seal by taper compression, we recommend using thread sealant or PTFE tape on the NPT threads to ensure a reliable seal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAN6 side: 37° flare seating angle for metal-to-metal seal\u003c\/li\u003e\n  \u003cli\u003eNPT side: 60° tapered threads; needs sealant or PTFE tape\u003c\/li\u003e\n  \u003cli\u003eHand-tighten then wrench-finish for correct compression\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finish does it use, and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eEach adapter is CNC-machined from 6061-T6 aluminum, chosen for its strength-to-weight ratio and corrosion resistance. A hard black anodized surface improves wear resistance and adds a protective, non-conductive finish suited to engine-bay and exterior applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6061-T6 aluminum: lightweight and durable\u003c\/li\u003e\n  \u003cli\u003eBlack anodize: corrosion and abrasion protection\u003c\/li\u003e\n  \u003cli\u003eCNC-machined: consistent thread and sealing geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere can I use these AN6 to 3\/8\" NPT adapters?\u003c\/h3\u003e\n\u003cp\u003eThey are suitable for many automotive and industrial fluid systems where AN lines need to interface with pipe-threaded components. Typical uses include fuel plumbing, coolant fittings, and power steering lines in both custom builds and repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFuel systems: return or feed lines with proper sealing\u003c\/li\u003e\n  \u003cli\u003eCooling and transmission plumbing where NPT ports are present\u003c\/li\u003e\n  \u003cli\u003ePower steering and low- to moderate-pressure hydraulic lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain these fittings safely?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: apply PTFE tape or thread sealant to the NPT threads, thread into the mating port until hand-tight, then finish with a wrench. Avoid over-tightening to prevent thread damage or distortion of the flare seating surface; inspect periodically for leaks and re-torque as needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse PTFE tape\/sealant on NPT threads to prevent leaks\u003c\/li\u003e\n  \u003cli\u003eTighten with wrench; do not overtighten AN flare seating\u003c\/li\u003e\n  \u003cli\u003eInspect connections after first run and periodically thereafter\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for\n\nThese adapters are aimed at mechanics, fabricators, and enthusiasts who need a reliable transition between AN6 flare hoses and 3\/8\" NPT ports. If you build or repair fuel, coolant, or low-pressure hydraulic systems and require a compact, reusable adapter with corrosion-resistant finish, this 4-pack from EVIL ENERGY offers a practical, professional-grade option.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the NPT side need sealant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Use PTFE tape or pipe thread sealant on the 3\/8\" NPT threads to prevent leakage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these fittings reusable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The anodized 6061-T6 aluminum adapters can be removed and reused if threads and flare seats remain undamaged.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48087196106910,"sku":"B0CKXCYV1W","price":37.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/evil-energy-an6-to-3-8-npt-front-packaging.jpg?v=1785918564","url":"https:\/\/northtrailauto.ca\/products\/evil-energy-6an-male-flare-to-3-8-npt-pipe-fitting-adapter","provider":"North Trail Auto","version":"1.0","type":"link"}