6503 Steel Female NPTF x Female JIC Swivel 90° Elbow Check Part Number TUBE OD A NPTF B UN/UNF -2B N1 M5 M10 C3 Y1 Tap Drill D Aeroquip # 6503-02-04 1/4 1/8-27 7/16-20 0.66 1.06 0.72 0.56 0.63 0.33 0.17 2244-2-4S 6503-04-04 1/4 1/4-18 7/16-20 0.88 1.13 0.78 0.56 0.75 0.43 0.17 2244-4-4S 6503-04-06 3/8 1/4-18 9/16-18 0.88 1.31 0.94 0.69 0.75 0.43 0.30 2244-4-6S 6503-06-06 3/8 3/8-18 9/16-18 1.02 1.38 1.00 0.69 0.88 0.57 0.30 2244-6-6S 6503-06-08 1/2 3/8-18 3/4-16 1.02 1.41 0.99 0.88 0.88 0.57 0.39 2244-6-8S 6503-08-06 3/8 1/2-14 9/16-18 1.23 1.50 1.13 0.69 1.13 0.70 0.30 2244-8-6S 6503-08-08 1/2 1/2-14 3/4-16 1.23 1.53 1.11 0.88 1.13 0.70 0.39 2244-8-8S 6503-08-10 5/8 1/2-14 7/8-14 1.23 1.71 1.21 1.00 1.13 0.70 0.48 2244-8-10S 6503-12-12 3/4 3/4-14 1 1/16-12 1.36 1.88 1.31 1.25 1.38 0.91 0.61 2244-12-12S 6503-16-16 1 1-11 1/2 1 5/16-12 1.62 2.15 1.56 1.50 1.63 1.14 0.84 2244-16-16S
