Sony SAL1118 Service Manual page 22

Length Groove Barrel
Notch
Hole
4th Lens Barrel Assy 5th Lens Slip Barrel
1st Lens Slip Barrel
Cam Barrel
COMA-B-A, B-J, B-K and COMA screw-C
COMA-B-A, B-J, B-K and COMA screw-C
COMA-A (A-C) and COMA screw-A
SAL1118 (4.5-5.6/11-18) (DT 11-18mm F4.5-5.6)
HELP