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Model 10987AModel 11012

Model 10987E
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Model 10987E



CABLE: Model 10551C. Branched, six conductor, stranded, polypropylene insulation, rubber jacket. Main trunk is terminated with a U-174/U Plug, molded grommet and terminal pins. Branch is terminated with a U-172/U Connector.

CABLE, MICROPHONE: Model 11033A. Straight, two conductor, rubber insulation, rubber jacket. Terminated with U-173/U Connectors.

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

EARPHONES: Model 10009
Military Type H-143/AIC
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-E-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 10197
Military Type M-87
Type: Dynamic
Frequency Range: 200 - 6000 Hz
Sensitivity: 34 - 41 dB re 1 mV @ kHz/ 103 dBSPL/ .187"
Impedance: 5 ± 1 @ 1 kHz
Distortion: < 6% @ 114 dBSPL
Altitude Compensation: 50,000 feet
Weight: ≤ 45 grams
MIL-PRF-26542/2


ITEM ITEM DESCRIPTION NSN QTY. ASTROCOM P/N
1 Pad Assembly, Acoustical 2 10398E
2 Earphone H-143/AIC 2 10009
3 Cushion Assembly, Ear 5965-00-104-3121 2 10253B
4 Headband Assembly 1 11043B
5 Boom Support 1 10390B
6 Boom Assembly 1 10665B
7 Cable, Main 5995-01-230-9692 1 10551C
8 Cable, Microphone 1 11033A
9 Microphone M-87 5965-00-755-4643 1 10197






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