2504-10-10 HYDRAULIC FITTING 5/8" MALE JIC X 5/8" MALE JIC 45 DEGREE (Tube O.D. / Hose I.D. Size)
THREAD SIZES FOR 2504-10-10 HYDRAULIC FITTING 7/8"-14 MALE JIC X 7/8"-14 MALE JIC 45 DEGREE
To measure threads, Calipers work very well.