The Fox -5 o-ring boss fitting is a double 7/16-20 o-ring boss adapter measuring 20.000 inches in total length and is specified for off-road use only. It joins two identical 7/16-20 o-ring boss ports in fluid systems where long-length routing is required; use it where the specified thread size and off-road rating match your application and verify compatibility with your hose and port hardware.
Fox -5 7/16-20 O-Ring Boss x 7/16-20 O-Ring Boss 20.000 Tlg Off Road Only