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Model 10972BModel 10987E

Model 10987A
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Model 10987A



CABLE: Model 10551F. Branched, six conductor, stranded, polypropylene insulation, rubber jacket. Two conductor headband and microphone branches molded into a unique junction. Microphone branch terminated with U-173/U Connector inside the microphone shell. Main cable approx. 29 inches in length terminated with a U-174/U Connector

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EAR CUSHIONS: Model 10253B Polyurethane covered visco-elastic foam for improved comfort.

EARPHONES: Model 10009
Type: Dynamic
Frequency Range: 100 - 5000 Hz
Sensitivity: 105 dBSPL @ 1kHz re 1 mW RMS
Impedance: 19 ± 2 @ 1 kHz
Distortion: < 3 % @ 100 - 2000 Hz; < 5% @ 2 - 5 kHz
Altitude Compensation: 70,000 feet
Temperature Range: - 55 ºC to 85 ºC
Per MIL-PRF-25670

HEADBAND: Model 11043B Adjustable headband with thumbnut locking feature, polyurethane covered foam replaceable headband pad. Constructed of steel with durable epoxy covering.

MICROPHONE: Model 10239A
Type: Dynamic
Frequency Range: 200 - 6000Hz
Sensitivity: 40 ± 3 dB re 1 mV @ 1 kHz / 103dBSPL / .25"
Impedance: 5 + 1 @ 1 kHz
Distortion: < 6% @ 114 dBSPL
Altitude Compensation: 50,000 feet
Temperature Range: - 55 ºC to 85 ºC
Weight: ≤16 grams
MIL-PRF-26542/4


ITEM ITEM DESCRIPTION NSN QTY. ASTROCOM P/N
1 Cushion Assembly, Mouth 1 10256B
2 Pad Assembly, Acoustical 2 10253B
3 Earphone H-143/AIC 5965-00-615-0104 2 10009
4 Cushion Assembly, Ear 5965-00-104-3121 2 10253B
5 Headband Assembly 1 11043B
6 Cable, Assembly 1 10551F
7 Microphone M-101/AIC 5965-00-843-9957 1 10239A






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