Headset-microphone

Features

Specifications

• Frequency Rating:
  3.5 kilohertz
• Switch:
  Included
• Impedance Rating:
  150.0 ohms
• Earphone Element Type:
  Dynamic
• Earphone Quantity:
  2
• Controlling Agency:
  Jetds
• Identifying Number:
  M-138/g type no.
• Earphone Impedance Rating:
  15.0 ohms
• Earphone Controlling Agency:
  Jetds
• Earphone Identifying Number:
  H-269/g type no.
• Microphone Element Type:
  Dynamic
• Output Level Rating:
  Minus 50dbm a 1000.0 hz
• Earphone Mounting Method:
  In bar cushions suspended in helmet
• Microphone Mounting Facility:
  Microphone mtd on switch housing fastened to left side of helmet
• Connector To Junction Cord Length:
  1.390 feet
• Test Data Document:
  81349-mil-h-55535 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", "", etc.).
• Federal Supply Class (fsc):
  Headsets, handsets, microphones and speakers
• National Stock Number (nsn):
  5965-00-937-1850