3M 900 Series Overhead Projector Illustrated Parts Breakdown123M 1996Section 6FRESNEL AND STAGE ASSEMBLY1234657Section 6FRESNEL AND STAGE ASSEMBLYItem No. Part Number Description Qty1A 78-8064-1473-2 GLASS, Stage (Models 905, 908, 910, 920) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1B 78-8073-7221-0 GLASS, Stage (Model 955) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2A 78-8064-1529-1 HOLDER, Fresnel, 10.5”, Medium Grey (Models 905, 908, 910, 920) 1. . . . . . . . . . . . . . . . . . . . . .2B 78-8073-7220-2 HOLDER, Fresnel, 10.5”, Dark Grey (Model 955) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 78-8064-1470-8 HOLDER, Fresnel, 11.2”, A4, Medium Grey 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4A 78-8064-1645-5 LENS, Fresnel, SE, GF, 182.9mm Fl (Models 905, 908, 910, 920) 1. . . . . . . . . . . . . . . . . . . . . . . . .4B 78-8064-1810-5 LENS, Fresnel (Models 955 and A4 Stage Size) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 26-1002-6172-1 SCREW, Pan Head, Phillips, M4.7 X 1.60 X 10 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 78-8064-1531-7 RETAINER, Stage Glass 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 26-1002-3995-8 SCREW, Pan Head, Phillips, M4 X 0.7 X 20 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .