| EARPHONE ELEMENT TYPE | MAGNETIC |
| EARPHONE IDENTIFYING NUMBER | HC-6 RECEIVER UNIT PART NO. |
| EARPHONE IMPEDANCE RATING | 275.0 OHMS NOMINAL |
| EARPHONE MOUNTING METHOD | SUSPENDED ON HEADBAND |
| EARPHONE QUANTITY | 1 |
| EARPHONE CONTROLLING AGENCY | WESTERN ELECTRIC CO INC |
| CONNECTOR CONTROLLING AGENCY | WESTERN ELECTRIC CO INC |
| CONNECTOR IDENTIFYING NUMBER | 2898 PART NO. |
| CONNECTOR NAME | PLUG |
| CONNECTOR TO JUNCTION CORD LENGTH | 5.000 FEET |
| CONTROLLING AGENCY | JETDS |
| FREQUENCY RATING | 0.2 KILOHERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM |
| IDENTIFYING NUMBER | H-66/U /5965-221-0999/ TYPE NO. |
| IMPEDANCE RATING | 300.0 OHMS NOMINAL |
| OPERATING CURRENT RATING | 100.0 MILLIAMPERES NOMINAL |
| MICROPHONE ELEMENT TYPE | CARBON |
| MICROPHONE MOUNTING FACILITY | ADAPTER FASTENED TO LEFT SIDE OF HEADBAND |