Special Features:

Mounting method: rack; mounting configuration: held in place by two turn lock fasteners spaced 5.300 in. C to c; fsc application data: relay switch assembly, aircraft gunnery fire control

Properties:

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an amplifier but which in itself is not a complete functioning item and cannot be assigned a more definite item name.