TM-9-2350-273-BD

M48/M60 SERIES TANK, COMBAT FULL-TRACKED 105-MM GUN

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR

TM-9-2350-273-BD - Page 157 of 288

TM 9-2350-273-BD

COMMUNICATIONS SYSTEM

(2) The AN/VRC-47 consists of a RT-524 receiver-transmitter and R-442

auxiliary receiver.

(3) The AN/VRC-64 consists of a RT-841 receiver-transmitter, an AM-2060

amplifier and a R-442 auxiliary receiver.

c. The two current speech security systems provide for secure voice

communications when used in conjunction with any of the receiver-transmitters

mentioned above.

(1) The Vinson speech security system consists of a J-3513 interconnection box,

335-14 distribution box, KY-57 speech security device, MT-4626 mount and all

associated wiring and cables.

(2) The Nestor speech security system consists of a 3-2731 distribution box, 3-3024

interconnection box, KY-38 speech security device, MT-3823 mount, AM-4979 amplifier

and all associated wiring and cables.

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