6801-08-08 Hydraulic Fitting 1/2" Male JIC x 1/2" Male O-Ring Boss 90° (Tube O.D. / Hose I.D. Size)
THREAD SIZES for 6801-08-08 Hydraulic Fitting: 3/4"-16 Male JIC x 3/4"-16 Male Boss 90°
To measure threads, Calipers work very well.