PART NO. THREAD DIMENSIONS E F A B S1 P5T9 -02SP R1/8" x28 Rc1/8" x28 24.5 23 16 P5T9 -04SP R1/4" x19 Rc1/4" x19 28.5 25 19 P5T9 -06SP R3/8" x19 Rc3/8" x19 33.5 25 24 P5T9 -08SP R1/2" x14 Rc1/2" x14 40.8 31.5 30 P5T9 -12SP R3/4" x14 Rc3/4" x14 47.5 37 33 P5T9 -16SP R1" x11 Rc1" x11 56.5 43 41 P5T9 -20SP R1.1/4"X11 Rc1.1/4"X11 61 50 48