importwarrior Posted September 18, 2015 Report Share Posted September 18, 2015 JIC fittings are dimensionally identical to AN (Aeronautical-Navy) fittings, but are produced to less exacting tolerances and are generally less costly. JIC fittings, defined by the SAE J514 and MIL-F-18866 standards, are a type of flare fitting machined with a 37-degree flare seating surface is the same as the -AN fittings. SAE 45-degree flare fittings are similar in appearance, but are not interchangeable though dash sizes 2, 3, 4, 5, 8, 10, 14, and 16 they share the same thread size BUT the degree of the flare is different!!! Link to comment Share on other sites More sharing options...
BOHO Posted September 18, 2015 Report Share Posted September 18, 2015 You are correct. I've made the mistake of mixing them. It will mushroom the flare and cause it to leak because of the angle differences. Do not mix and make sure you know what you are buying. Link to comment Share on other sites More sharing options...
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