| EARPHONE ELEMENT TYPE | DYNAMIC |
| EARPHONE QUANTITY | 2 |
| EARPHONE IMPEDANCE RATING | 22.5 OHMS NOMINAL |
| EARPHONE IDENTIFYING NUMBER | H-143/AIC TYPE NO. |
| MICROPHONE ELEMENT TYPE | DYNAMIC |
| EARPHONE CONTROLLING AGENCY | JAN |
| IMPEDANCE RATING | 4.0 OHMS MINIMUM AND |
| 6.0 OHMS MAXIMUM |
| DC RESISTANCE RATING IN OHMS | 5.0 NOMINAL |
| FREQUENCY RATING | 200.0 HERTZ MINIMUM AND |
| 6.0 KILOHERTZ MAXIMUM |
| CONTROLLING AGENCY | JAN |
| IDENTIFYING NUMBER | M-101/AIC TYPE NO. |
| EARPHONE MOUNTING METHOD | SUSPENDED ON HEADBAND |
| MICROPHONE MOUNTING FACILITY | STRAP |
| CONNECTOR CONTROLLING AGENCY | JAN |
| CONNECTOR NAME | PLUG |
| CONNECTOR IDENTIFYING NUMBER | U-174/U TYPE NO. |
| CONNECTOR TO JUNCTION CORD LENGTH | 1.167 FEET |
| SPECIAL FEATURES | ATTENUATES NOISE IN THE RANGE OF 105 DB THROUGH 125 DB. THE MICROPHONE ELEMENT IS INSIDE A SHIELD THAT IS ATTACHED TO THE EARCUPS WITH STRAPS |
| TEST DATA DOCUMENT | 81349-MIL-H-87819 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| SPEC/STD CONTROLLING DATA | |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-PRF-87819/1 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M87819/1-01 |