34 Series NCM Rotated Rear Port -X103US Option Without Bumper Bore size (inch) 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") MM 0.250 0.250 0.312 0.437 0.437 A 0.50 0.50 0.50 0.75 0.75 D . . 0.25 0.37 0.37 E 0.86 0.93 1.12 1.31 1.56 K . . 0.13 0.26 0.26 L 0.35 0.35 0.35 0.42 0.63 LB 3.75 3.32 3.84 4.48 4.37 GB 0.75 0.75 0.75 0.75 1.00 N 0.75 0.75 0.87 1.06 1.25 NN 5/8-18 5/8-18 5/8-18 3/4-16 3/4-16 W 0.50 0.50 0.63 0.89 0.89 Y 0.96 0.96 1.18 1.64 1.52 ZB 4.03 3.60 4.11 4.87 4.75 YC 0.62 0.62 0.62 0.78 0.78 F 0.37 0.37 0.37 0.49 0.62 BA 0.622 0.622 0.622 0.748 0.866 B 0.622 0.622 0.622 0.748 0.748 GA 0.250 0.250 0.250 0.250 0.375 KK 1/4-28 1/4-28 5/16-24 7/16-20 7/16-20 FF 5/8-18 5/8-18 5/8-18 3/4-16 . With Bumper Bore size (inch) 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") LB 3.79 3.58 4.29 4.74 4.51 ZB 4.07 3.86 4.57 5.13 4.89 NC(D)MC Bore - Stroke -X103US NC(D)MB Bore - Stroke -X103US Without Bumper oMM A oB PILOT oBA oE K L W Y YC ZB + STROKE 0.50 0.09 1/8 NPT 1/8 NPT F Bore size (inch) 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") MM 0.250 0.250 0.312 0.437 0.437 A 0.50 0.50 0.50 0.75 0.75 E 0.86 0.93 1.12 1.31 1.56 F 0.37 0.37 0.37 0.49 . K . . 0.13 0.26 0.26 L 0.13 0.15 0.14 0.09 0.14 N 0.75 0.75 0.87 1.06 1.25 NN 5/8-18 5/8-18 5/8-18 3/4-16 3/4-16 W 0.50 0.50 0.63 0.89 0.89 Y 0.96 0.96 1.18 1.64 1.52 ZB 3.54 3.12 3.62 4.15 4.00 YC 0.41 0.41 0.41 0.46 0.41 BA 0.622 0.622 0.622 0.748 0.748 D . . 0.25 0.37 0.37 B 0.622 0.622 0.622 0.748 0.748 KK 1/4-28 1/4-28 5/16-24 7/16-20 7/16-20 With Bumper Bore size (inch) 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") ZB 3.55 3.38 3.76 4.41 4.14 ZB + STROKE 1/8 NPT 1/8 NPT Y 0.09 0.50 W A K oMM KK UNF-2A D ACROSS FLATS LB + STROKE STANDARD PORT Location (Plugged) (Opposite side shown) NN-UNF-2A N ACROSS FLATS FF UNF-2A YC L oE GB F oGA Pin Dia 0.09 oBA PILOT oB PILOT D ACROSS FLATS KK UNF-2A NN MOUNTING NUT N ACROSS FLATS