| EARPHONE CONTROLLING AGENCY | JETDS |
| EARPHONE ELEMENT TYPE | DYNAMIC |
| EARPHONE IDENTIFYING NUMBER | H-143/AIC TYPE NO. |
| EARPHONE IMPEDANCE RATING | 19.0 OHMS NOMINAL |
| EARPHONE QUANTITY | 2 |
| CONNECTOR IDENTIFYING NUMBER | U-174/U TYPE NO. |
| CONNECTOR NAME | TELEPHONE PLUG |
| CONNECTOR TO JUNCTION CORD LENGTH | 1.959 FEET |
| CONNECTOR CONTROLLING AGENCY | JETDS |
| CONTROLLING AGENCY | JETDS |
| FREQUENCY RATING | 0.2 KILOHERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM |
| IDENTIFYING NUMBER | M-87/AIC TYPE NO. |
| IMPEDANCE RATING | 3.5 OHMS NOMINAL |
| OUTPUT LEVEL RATING | 2 UV PER DYNE PER SQ CM IN. 5 OHMS LOAD |
| MICROPHONE ELEMENT TYPE | DYNAMIC |
| MICROPHONE MOUNTING FACILITY | ON BRACKET WHICH FITS ON EITHER LEFT OR RIGHT EARCUP AND LOCKS |
| MOUNTING METHOD | SUSPENDED ON HEADBAND EARPHONE |
| NONDEFINITIVE SPEC/STD DATA | H-157/AIC TYPE |