PART NO. THREAD DIMENSIONS E F A B S P7T9 -02PK Rc1/8" x28 Rc1/8" x28 20 20 16 P7T9 -04PK Rc1/4" x19 Rc1/4" x19 22.5 22.5 19 P7T9 -06PK RcZ3/8" x19 Rc3/8" x19 27 27 24 P7T9 -08PK RcZ1/2" x14 Rc1/2" x14 31.5 31.5 27 P7T9 -12PK RcZ3/4" x14 Rc3/4" x14 37 37 34 P7T9 -16PK RcZ1" x11 RcZ1" x11 43 43 41 P7T9 -20PK Rc1.1/4"x11 Rc1.1/4"x11 48 48 50 P7T9 -24PK Rc1.1/2"x11 Rc1.1/2"x11 53 53 55