Special Features:

Mounting method: hole mtd; mounting configuration: four 0.169 in. Diameter mtg holes on 1.813 in. By 5.313 in. Mtg centers; fsc application data: multiplexer, telephone and telegraph

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.