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Model 10956AModel 10972B

Model 10957A
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Model 10957A



CABLE: Model 11051. Straight, six conductor, stranded, rubber insulated, rubber jacket. Tow conductor headband and microphone branches molded into a unique hypalon junction. Headband branch terminated with terminal pins, microphone branch terminated with U-173/U Connector.

SWITCH ASSEMBLY: ABS plastic housing, bar-activated three position switch; (Off, Telephone, Radio with the ability to lock-on to telephone. Switch is waterproof.

CABLE: Retractile, seven conductor, tinsel, rubber insulation, rubber jacket. Terminated with a U-161/U Connector, other end into the switch assembly.

CABLE, MICROPHONE: Model 10203. Straight, two conductor, stranded, teflon insulated, braided nylon jacket. Terminated with U-173/U Connectors.

EARCUSHIONS: Model 10391B Polyurethane covered visco-elastic foam for improved comfort.

EARPHONE: Model 10596B
Type: Dynamic
Frequency Range: 300 - 4000 Hz
Sensitivity: 105 + 3 dBSPL @ 1kHz re 1 mW RMS
Impedance: 300 + 60 @ 1 kHz
Temperature Range: -55 ºC to 85 ºC
Per MIL-Spec: N/A

HEADBAND: Model 11043A. Adjustable headband with thumbnut locking feature, inserted thru extruded vinyl support. Constructed of steel with durable epoxy covering. Polyurethane covered foam replaceable headband pad.

MICROPHONE: Model 10927C
Type: Electret
Frequency Range: 100 - 4000 Hz
Sensitivity: -40 db +3db rel 1 Volt/Pa
Power: 3 - 15 VDC @ max 8 mA Load: 300 + 60 W
Weight: 10 grams
Per MIL-DTL-83511/8


ITEM ITEM DESCRIPTION NSN QTY. ASTROCOM P/N
1 Pad Assembly, Acoustical 2 10398D
2 Earphone, 300 Ohms 2 10596B
3 Headband Assembly 1 11043A
4 Cushion Assembly, Ear 2 10391B
5 Boom Support Assembly 1 10390B
6 Cable Assembly, Main 1 11051
7 Cable Assembly CX-4434/U, Short 5995-00-848-7662 1 11132A
8 Boom Assembly 1 10665B
9 Microphone 1 10927C






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