6401-O Steel Male ORB x Male NPTF Adapter Check Part Number B UN/UNF-2A A NPTF L29 C4 D D1 Aeroquip # Parker # 6401-04-02-O 7/16-20 1/8-27 1.05 0.56 0.17 0.19 3249-4-2S 4-1/8 F5OF-S 6401-04-04-O 7/16-20 1/4-18 1.23 0.56 0.17 0.28 3249-4-4S 4-1/4 F5OF-S 6401-05-02-O 1/2-20 1/8-27 1.05 0.63 0.23 0.19 3249-5-2S 5-1/8 F5OF-S 6401-05-04-O 1/2-20 1/4-18 1.16 0.63 0.23 0.28 3249-5-4S 5-1/4 F5OF-S 6401-06-02-O 9/16-18 1/8-27 1.11 0.69 0.30 0.19 3249-6-2S 6-1/8 F5OF-S 6401-06-04-O 9/16-18 1/4-18 1.30 0.69 0.30 0.28 3249-6-4S 6-1/4 F5OF-S 6401-06-06-O 9/16-18 3/8-18 1.30 0.75 0.30 0.41 3249-6-6S 6-3/8 F5OF-S 6401-06-08-O 9/16-18 1/2-14 1.48 0.88 0.30 0.53 3249-6-8S 6-1/2 F5OF-S 6401-08-04-O 3/4-16 1/4-18 1.25 0.88 0.39 0.28 3249-8-4S 8-1/4 F5OF-S 6401-08-06-O 3/4-16 3/8-18 1.36 0.88 0.39 0.41 3249-8-6S 8-3/8 F5OF-S 6401-08-08-O 3/4-16 1/2-14 1.55 0.88 0.39 0.53 3249-8-8S 8-1/2 F5OF-S 6401-08-12-O 3/4-16 3/4-14 1.58 1.13 0.39 0.72 3249-8-12S 8-3/4 F5OF-S 6401-10-06-O 7/8-14 3/8-18 1.50 1.00 0.48 0.41 3249-10-6S 10-3/8 F5OF-S 6401-10-08-O 7/8-14 1/2-14 1.69 1.00 0.48 0.53 3249-10-8S 10-1/2 F5OF-S 6401-10-12-O 7/8-14 3/4-14 1.76 1.13 0.48 0.72 3249-10-12S 10-3/4 F5OF-S 6401-12-06-O 1 1/16-12 3/8-18 1.66 1.25 0.61 0.41 3249-12-6S 12-3/8 F5OF-S 6401-12-08-O 1 1/16-12 1/2-14 1.84 1.25 0.61 0.53 3249-12-8S 12-1/2 F5OF-S 6401-12-12-O 1 1/16-12 3/4-14 1.73 1.25 0.61 0.72 3249-12-12S 12-3/4 F5OF-S 6401-12-16-O 1 1/16-12 1-11 1/2 2.03 1.38 0.61 0.94 3249-12-16S 12-1 F5OF-S 6401-16-12-O 1 5/16-12 3/4-14 1.87 1.50 0.84 0.72 3249-16-12S 16-3/4 F5OF-S 6401-16-16-O 1 5/16-12 1-11 1/2 2.06 1.50 0.84 0.94 3249-16-16S 16-1 F5OF-S 6401-20-20-O 1 5/8-12 1 1/4-11 1/2 2.17 1.88 1.08 1.25 3249-20-20S 20-1 1/4 F5OF-S 6401-24-16-O 1 7/8-12 1-11 1/2 2.20 2.13 1.31 0.94 3249-24-16S 24-1 F5OF-S 6401-24-20-O 1 7/8-12 1 1/4-11 1/2 2.23 2.13 1.31 1.25 3249-24-20S 24-1 1/4 F5OF-S 6401-24-24-O 1 7/8-12 1 1/2-11 1/2 2.27 2.13 1.31 1.50 3249-24-24S 24-1 1/4 F5OF-S 6401-32-32-O 2 1/2-12 2-11 1/2 2.47 2.75 1.78 1.94 3249-32-32S 32-2 F5OF-S
