A FJX-08-10 | 1/2" hose x 5/8" JIC 37° female swivel is a type of hydraulic fitting that consists of two parts: a hose fitting with a 1/2" inside diameter and a JIC 37° female swivel fitting with a 5/8" tube size and a nominal thread size of 7/8"-14. The JIC 37° female swivel fitting has a cone-shaped seat that mates with a 37° flare on the male fitting, providing a reliable seal in high-pressure hydraulic applications.