TM 5-4940-200-35
1
Screw, machine, 1/4-20 x 3/8
21
Washer, flat, 1/4 in. id, 5/8
in. (2 rqr)
in. od, 1/16 in. thk (2 rqr)
2
Washer, lock, IET, 1/4 x
22
Washer, nonmetallic, 25/64 in.
in. (2 rqr)
id, 5/8 in. od, 1/8 in.
3
Plug mounting bracket
thk (4 rqr)
4
Switch inside housing
23
Rheostat handwheel
5
Screw, machine, No. 10-24
24
Setscrew, 1/4-20 x 3/8 in.
x 3/8
25
Screw, machine, No. 8-32
6
Was her, lock, IET, No. 10
x 3/8 in. (4 rqr)
7
Washer, flat, brass. No. 10
26
Field rheostat dial
8
Field rheostat catch
27
Field rheostat case
9
Contact ring (2 rqr)
28
Screw, machine, No. 10-32
10
Insulation plate (2 rqr)
x 1/4 in. (2 rqr)
11
Control contact ring
29
Washer, lock, No. 10 (2 rqr)
12
Front disk
30
Rheostat mounting spring (2 rqr)
13
Screw, self-threading, No. 8-15
31
Variable resistor
x 3/8 in. (3 rqr)
32
Screw, machine, 1/4-20 x
14
Handwheel mounting bracket
3/8 in. (4 rqr)
(3 rqr)
33
Washer, lock, 1/4 in.
15
Washer, lock, No. 10 (6 rqr)
34
Movable contact
16
Screw, machine, No. 10-24
35
Clip spring (4 rqr)
x 3/8 in. (6 rqr)
36
Nut, plain, hex, 3/8-16
17
Dial plate
37
Resistance element
18
Screw, drive, No. 6 x 1/4
38
Screw, cap, hex-hd, 3/8-16
in. (5 rqr)
x 1/2 in.
19
Handwheel
39
Electrical contact
20
Screw, machine, 1/4-20 x
40
Contact bushing (2 rqr)
1 1/2 in. (2 rqr)
Figure 26-Continued.
49
