Male Connector, Type Compression, Pipe Size 1/4 In., Tube Size 1/4 In., Tube Outside Dia. 1/4 In., Thread Size 7/16-24 In., Tube x MNPT Connection, Material of Construction Brass, Pressure (PSI) 150, Temp. Range -40 to 200 Degrees F, Hex Size 9/16 In., Length 1.43 In., Compliance SAE J246, SAE J1131, DOTFMVSS 571.106.