Special Features:

Capacitor and resistor assembly 1; capacitors 2; chassis subassembly 1; ring, retaining 1; terminal, studs 4; socket, electron tube 3; four no. 2-56 nc-2 thd mtg holes spaced on 0.920 x 2.120 in. Mtg ctrs; airborne radio set

Properties:

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