37° flared tube fittings are the most widely used

37° flared tube fittings are the most widely used fittings in the world.
JIC flared Tube fittings, as defined by the SAE J514, MIL-F-18866 and ISO 8434-2 standards are a type of fitting machined with a 37° flare seating surface. 37° flared JIC tube fittings (such as Parker Triple-Lok) are the most widely used fittings in the world. JIC fitting’s appeal is its adaptability, compact design, ease of assembly, reliability and availability. JIC 37° flare fittings are manufactured in steel, 316 stainless steel or brass, and are readily available through Hose & Fittings, Etc.