A 2501-08-08 | 1/2" JIC male x 1/2" NPTF male pipe 90 degree hydraulic adapter is a type of hydraulic fitting that connects a female JIC 37 degree flare fitting to a male NPTF (National Pipe Taper Fuel) thread in a 90 degree angle. The male JIC fitting has a 37 degree flare seat that seals against a female JIC fitting with a matching flare seat. The male NPTF pipe thread has tapered threads that create a tight seal when threaded into a female NPTF thread.