Part Number: 12266876 (Lens optical) Part Number: 12266879 (Dove prism) Part Number: 12266882 (Reticle) Part Number: 12266888 (Washer) Part Number: 12266890 (Gear) Part Number: 12266895 (Gear) Part Number: 12266898 (Housing) Part Number: 12266901 (Gear cluster ea19207) Part Number: 12266902 (Gear,helical ea19207) Part Number: 12266905 (Housing) Part Number: 12266909 (Packing preformed ea) Part Number: 1226691 (Cat) Part Number: 12266910 (Packing) Part Number: 12266911 (Handwheel)