{"product_id":"6an-male-to-5-16ft-hardline-compression-fitting-high-pressure-seal","title":"6AN Male to 5\/16ft Hardline Compression Fitting - High Pressure Seal","description":"\u003cp\u003eIn this review of the 6AN Male to 5\/16' Hardline Compression Fitting kit, the bottom line is straightforward: this set is for anyone who needs a durable, high-pressure transition from a 6AN male flare thread to a 5\/16' hard fuel or oil line. The reviewer found the kit's aircraft-grade 6061-T6 CNC machined aluminum construction and anodized finish deliver a corrosion-resistant connection, while the 37 conical flare face and included ferrules produce a reliable gas-tight seal suitable for applications that must withstand vibration and pressures above 2000 PSI.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-pressure sealing:\u003c\/strong\u003e The 37 conical surface of the 6AN male flare creates a gas-tight seal with mating joints to minimize leaks under vibration and heavy duty use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAircraft grade material:\u003c\/strong\u003e CNC machined 6061-T6 aluminum with an anodized finish resists corrosion from fuel, salt spray, and weak acids for longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardline compression end:\u003c\/strong\u003e The compression tube end is designed for hard tubing only, ensuring solid contact with stainless or aluminum hardline when pre-flared or crimped.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard sizing:\u003c\/strong\u003e Converts 6AN (9\/16-18 UNF) male flare thread to 5\/16' tube size, simplifying compatibility with standard fittings and hoses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide application range:\u003c\/strong\u003e Suitable for automotive and industrial hydraulic systems, fuel delivery, and engine modification work where standardized interfaces are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e The set includes eight fittings, eight ferrules, and one sealing tape to address thread sealing needs on NPT-style joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at mechanics, fabricators, and DIY automotive enthusiasts who are working on fuel or oil systems that use hard tubing and need a robust transition to 6AN flare connections. The kit suits projects where vibration resistance and a proven sealing surface are priorities, for example custom fuel rails or hardline runs in performance engines.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for soft hose that requires barbed or hose-end fittings, nor for applications that demand metric or nonstandard thread sizes. Buyers who need fittings for soft braided hose or push-to-connect fittings should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurable 6061-T6 aluminum and anodized finish provide good corrosion resistance in fuel environments.\u003c\/li\u003e\n\u003cli\u003eThe 37 conical flare face and compression ferrules deliver a dependable, high-pressure gas-tight seal.\u003c\/li\u003e\n\u003cli\u003eKit includes multiple fittings and sealing tape so you can complete several connections without sourcing extras.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompression end is only compatible with hard tubing, so users with soft hose will need different fittings.\u003c\/li\u003e\n\u003cli\u003eThe kit assumes familiarity with pre-flaring or crimping hardline and does not include assembly tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTaiidaues\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061-T6 CNC machined aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eAnodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread size\u003c\/td\u003e\n\u003ctd\u003e6AN male (9\/16-18 UNF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube size\u003c\/td\u003e\n\u003ctd\u003e5\/16' hardline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pressure\u003c\/td\u003e\n\u003ctd\u003eExceeds 2000 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e-65F to 252F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone assembling or repairing hardline fuel and oil systems, this 6AN male to 5\/16' compression fitting kit offers strong value through durable materials and a proven sealing geometry. It is especially useful for projects that require high-pressure performance and corrosion resistance, though installers should be prepared to work with hard tubing and have proper flaring or crimping tools.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these fittings be used with soft fuel hose?\u003c\/strong\u003e\u003cbr\u003eThey are intended only for hard tubing such as stainless or aluminum hardline; soft hose requires appropriate hose-end fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include everything needed for installation?\u003c\/strong\u003e\u003cbr\u003eThe kit includes eight fittings, eight ferrules and one sealing tape, but assembly tools and hardline preparation tools are not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these fittings suitable for high-pressure fuel systems?\u003c\/strong\u003e\u003cbr\u003eYes, the fittings are rated to withstand pressures exceeding 2000 PSI and are designed for fuel and hydraulic applications.\u003c\/p\u003e","brand":"Taiidaues","offers":[{"title":"Default Title","offer_id":48251561476315,"sku":"B0F8NWQ66Y","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61Fmp_2OkxL._AC_SL1500.jpg?v=1776283419","url":"https:\/\/gearmusthave.com\/products\/6an-male-to-5-16ft-hardline-compression-fitting-high-pressure-seal","provider":"GearMustHave","version":"1.0","type":"link"}