Figure 3-12. Objective tube assembly, filter assembly and filter assembly operation mechanism--partial exploded view

1 - Setscrew, 9-32 x 1/3, (8),

3 - Washer, lock, No. 6, (10),

6 - Screw, 5/16-18 x 0.18, P624629

9 - Stud, 8-32 x 0.95, 8624623

MS51965-27

MS35333-71

7 - Spring, compression, 10 coils,

10 -- Filter assembly, 8624551

2 - Screw, 6-32 x 3/8, (10)

4 - Objective tube assembly, 8624516

8624625

11 -- Stud, 8624624

MS51957-28

5 - Setscrew, 6-2 x 1/8, MS51021-21

8 - Plunger assembly, 8624561

12 -- Gear, 72 T, 8624578

Figure 3-12. Objective tube assembly, filter assembly and filter assembly operation mechanism--partial exploded view.

3-15