PART NO. THREAD TUBE O.D. DIMENSIONS E F D A B S1 S2 5QN9-14-04 M14X1.5 Z1/4"X18 8 35.5 25 19 17 5QN9-16-06 M16X1.5 Z3/8"X18 10 39.5 27 24 19 5QN9-18-06 M18X1.5 Z3/8"X18 12 39.5 27 24 22 5QN9-22-08 M22X1.5 Z1/2"X14 14 44.5 31.5 30 27 5QN9-27-12 M27X.5 Z3/4"X14 18 45.5 34.5 33 32 5QN9-36-16 M36X2 Z1"X11.5 25 56 41.1 41 41 5QN9-42-20 M42X2 Z1.1/4"X11.5 32 66.5 43.2 50 50 Note: In case if you are interested to order the adapter in complete set with sleeve and nut ,it is necessory to inset suffix "RN" in after of part no., for example 5QN9-18-06RN