A 6500-04-04 | 1/4" JIC male x 1/4" JIC female swivel 90° hydraulic adapter is a type of hydraulic fitting that is used to connect two hydraulic hoses or components with JIC (Joint Industry Council) fittings at a 90 degree angle. The fitting consists of two parts: a male JIC fitting with a 1/4" (0.5 inches) size on one end and a female JIC swivel fitting with a 1/4" tube size and a nominal thread size of 7/16"-20 on the other end, at a 90 degree angle.