CABLE, MAIN: Model 10551D. Straight, five conductor, stranded, rubber insulated, rubber jacket. Terminated with a U-384 Connector. Approx. 10 inches free length. Two conductor headband and microphone branches molded into a "doughnut" junction. Headband branch terminated with molded-on grommet and terminal pines, Microphone branch terminated with U-172/U Connector.
CABLE, ADAPTER: Model 10638C. Straight, five conductor, stranded, rubber insulation, rubber jacket. Approx. 10 inches long. Terminated with a quick disconnect connector and a U-385 Connector.
EARCUSHIONS: Model 10391B Polyuretane 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 Ω @ 1 kHz Distortion: < 3 % @ 100 - 2000 Hz; < 5% @ 2 - 5 kHz Altitude Compensation: 50,000 feet Temperature Range: - 55 ºC to 85 ºC Per MIL-PRF-25670/2
HEADBAND: Model 11043A. Adjustable headband with thumbnut locking feature, inserted thru extruded vinyl support, replaceable urethane covered foam headband cushion.