Figure 27. INDEX TO PARTS, FIGURE 27 Reference Functional Item Reference  Functional Item Number Group Name Number Group Name 1 3 4 7 8 9 10 11 12 13 2 5 6 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 SLEEVE SETSCREW FUNG LENS SPACER LENS  AY MOUNT RING LENS AY HOUSING LENS AY RING BRACKET 14 15 16 17 18 19 20 21 22 23 24 25 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 6702 SCREW SCREW LEVER PIN LENS MOUNT PRISM PRISM SCREW HOUSING TUBE SCREW 101