MIL-H-83511 Complete Document History
Headset Microphone & Headset Electrical Medium Noise Attenuation, Hearing Protective

Complete Current Edition:
   RENUMBERED - MIL-DTL-83511 - July 8, 2003

Obsolete Revision Information:
   AMENDMENT 2 - AMENDMENT 2 FOR BASE - June 24, 1985
   BASE - HEADSET MICROPHONE & HEADSET E - April 4, 1978
   SUPPLEMENT 1 - SUPPLEMENT 1 FOR BASE - April 4, 1978