Special Features:

Mtg method: holes for screws; mtg confg: four 0.140 in. Diameter mtg holes spaces on 2.450 in. By 3.700 in. Mtg centers; fsc app data: airborne, radio communication set

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.