Special Features:

Mounting method: rack; mounting configuration: two 0.257 in. Diameter mtg holes spaced 7.018 in. C to c; fsc application data: test sets, fire control system, aircraft

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.