Part Number: 13281205 (Pin) Part Number: 13281206 (Pin straight pin) Part Number: 13281208 (Retainer, optical el) Part Number: 13281209 (Holder) Part Number: 13281227 (Spacer,diode and mi) Part Number: 13281228 (Ring,reticle light) Part Number: 13281229 (Screw) Part Number: 1328123 (Screw) Part Number: 13281-24 (Ne) Part Number: 13281242 (Spacer,wfov) Part Number: 13281250MHZ39000391 (Ne) Part Number: 1328129 (Ring assembly) Part Number: 13-2812B (Philmore) Part Number: 132813-01 (Gearshft)