Talk back flush mount substation, w/relay for handset or mic; call
No other part numbers with same form, fit, and function found.
An item which may provide two-way amplified voice communications when connected to one or more like stations directly or via intermediate control equipment; includes loudspeaker (which may be used as a loudspeaker or microphone), signalling devices, amplifier and station selector switches. May include separate microphone, earphone, handset or headset. See also, telephone connecting station.
Classification: Electric sound amplifier sets
NSN 6620-00-257-2783
NSN 2925-00-953-2920
NSN 4140-00-648-3303
NSN 5930-00-458-8793
NSN 5975-00-433-4256
NSN 5855-00-879-7245
NSN 6110-01-534-6435
NSN 6130-01-597-2169
NSN 6645-00-144-4868
NSN 5990-00-932-3070
NSN 6610-01-481-2644
NSN 5985-01-212-6302