The S-365/MTA-3B is the shelter of the Telephone Switchboard Group, part of the later AN~MTC-1A
Major Components
1 Shelter, Electrical Equipment S-365( )/MTA-3B
3 Switchboards, Telephone, Manual, SB-1398/GTA-14(V)
3 Telephone Sets TA-312/PT
See Also
AN~MTA-4B