37-flare fitting is a brilliant weight fitting having a wide determination of styles and shapes and is broadly utilized everywhere throughout the globe. Fundamental elements that require its utilization are its effortlessness, minimization in configuration, simplicity of get together, high unwavering quality, simple accessibility and worldwide acknowledgment. A 37-flare fitting is an excellent pressure fitting having a broad selection of styles & shapes and is very extensively used all over the globe. Thread Size Working Pressures Nom Inch Tube O.D. SAE J514 Flared Tube End and SAE J1926/3/ ISO 11926-3 O-Ring Port Thread Size (Notes 1 2) 37 Deg. Flared Tube Ends, Unions and Bulkheads. 37 Deg. Female Swivels. MPa psi MPa psi 1/8 5/16-24 UNF 34.5 5,000 34.5 5,000 3/16 3/8-24 UNF 34.5 5,000 34.5 5,000 1/4 7/16-20 UNF 34.5 5,000 31 4,500 5/16 1/2-20 UNF 34.5 5,000 27.5 4,000 3/8 9/16-18 UNF 34.5 5,000 27.5 4,000