| EARPHONE CONTROLLING AGENCY | US ARMY COMMUNICATIONS AND ELECTRONICS MATERIEL READINESS COMMAND |
| EARPHONE ELEMENT TYPE | DYNAMIC |
| EARPHONE IDENTIFYING NUMBER | SM-B-933877 PART NO. |
| EARPHONE IMPEDANCE RATING | 1.0 KILOHMS NOMINAL |
| EARPHONE MOUNTING METHOD | SUSPENDED ON HEADBAND |
| EARPHONE QUANTITY | 2 |
| CONNECTOR CONTROLLING AGENCY | JETDS |
| CONNECTOR IDENTIFYING NUMBER | U-182/U TYPE NO. |
| CONNECTOR NAME | PLUG |
| CONNECTOR TO JUNCTION CORD LENGTH | 12.763 FEET |
| CONTROLLING AGENCY | US ARMY COMMUNICATIONS AND ELECTRONICS MATERIEL READINESS COMMAND |
| DC RESISTANCE RATING IN OHMS | 24.0 NOMINAL |
| FREQUENCY RATING | 0.3 KILOHERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM |
| IDENTIFYING NUMBER | SE-C-889810 PART NO. |
| IMPEDANCE RATING | 150.0 OHMS NOMINAL |
| OUTPUT LEVEL RATING | MINUS 56 DB AT 1 KHZ OUTPUT LEVEL |
| MICROPHONE ELEMENT TYPE | DYNAMIC |
| MICROPHONE MOUNTING FACILITY | ADAPTER FASTENED TO LEFT EARPHONE |
| SPECIAL FEATURES | ITEM CONSISTS OF A HEADBAND TYPE, DUAL EARPHONE HEADSET, A M-138/G MICROPHONE, TOGGLE SWITCH WITH NECK AND CHEST STRAPS, AND A CABLE ASSEMBLY; USED WITH THE AN/VRC-12 RADIO SET |
| TEST DATA DOCUMENT | 81349-MIL-H-83511 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.). |