1 - bolt,
2 - contact plate,
3 - output insulator,
4 - nut,
5 - wavy washer,
6 - output insulator,
7 - ring seal,
8 - plunger,
9 - gasket,
10 - cover,
11 - wiring clamp,
12 - terminal,
13 - ring seal,
14 - seal,
15 - output insulator,
16 - wavy washer,
17 - nut,
18 - bolt,
19 - contact plate,
20 - output insulator,
21 - insulating gasket.