PART NO. THREAD DIMENSIONS E F A B S1 S2 2NJ9-02-04 Z1/4"X18 7/16"X20 21 9 11 17 2NJ9-02-05 Z1/4"X18 1/2"X20 21.5 9 11 17 2NJ9-04 Z1/4"X18 7/16"X20 25.5 9 14 17 2NJ9-04-06 Z1/4"X18 9/16"X18 25.5 10.5 14 19 2NJ9-06 Z3/8"X18 9/16"X18 31 10.5 19 19 2NJ9-06-08 Z3/8"X18 3/4"X16 31 10.5 19 24 2NJ9-08 Z1/2"X14 3/4"X16 37.3 10.5 22 24 2NJ9-08-10 Z1/2"X14 7/8"X14 37.3 12 22 27 2NJ9-08-12 Z1/2"X14 1.1/16"X12 37.5 15 24 32 2NJ9-12 Z3/4"X14 1.1/16"X12 44 15 27 32 2NJ9-12-08 Z3/4"X14 3/4"X16 43.5 10.5 27 24 2NJ9-12-10 Z3/4"X14 7/8"X14 43.5 12 27 27 2NJ9-16 Z1"X11.5 1.5/16"X12 50 16 33 41 2NJ9-16-14 Z1"X11.5 1.3/16"X12 49 15 33 36 2NJ9-20 Z1.1/4"X11.5 1.5/8"X12 53 17 41 50