PART NO. THREAD DIMENSIONS E F G A,C B S1 S2 S3 EJNJ-04 7/16" X20 Z1/4"X18 7/16 "X20 9 25.5 14 17 17 EJNJ-05-04-05 1/2" X20 Z1/4"X18 1/2 "X20 9 25.5 14 17 17 EJNJ-06 9/16" X18 Z3/8"X18 9/16" X18 10.5 29.5 16 19 19 EJNJ-06-04-06 9/16" X18 Z1/4"X18 9/16 "X18 10.5 25.5 14 19 19 EJNJ-08 3/4 "X16 Z1/2"X14 3/4 "X16 10.5 36.7 22 24 24 EJNJ-08-06-08 3/4 "X16 Z3/8"X18 3/4 "X16 10.5 31 19 24 24 EJNJ-10-08-10 7/8"X14 Z1/2"X14 7/8"X14 12 36.7 22 27 27 EJNJ-12 1.1/16 "X12 Z3/4"X14 1.1/16 "X12 15 44 27 32 32 EJNJ-16 1.5/16"X12 Z1"X11.5 1.5/16"X12 16 50 33 41 41 EJNJ-20 1.5/8"X12 Z1.1/4"X11.5 1.5/8"X12 17 54.5 41 50 50 EJNJ-24 1.7/8"X12 Z1.1/2"X11.5 1.7/8"X12 20 63 48 60 60