MIL-PRF-87819A (AMENDMENT-1), PERFORMANCE SPECIFICATION: HEADSET-MICROPHONE, (HEARING PROTECTIVE TYPE, HIGH AND MODERATE AMBIENT NOISE LEVELS), GENERAL SPECIFICATION FOR (08-AUG-1997) [SUPERSEDING MIL-H-87819A]

MIL-PRF-87819A (AMENDMENT-1), PERFORMANCE SPECIFICATION: HEADSET-MICROPHONE, (HEARING PROTECTIVE TYPE, HIGH AND MODERATE AMBIENT NOISE LEVELS), GENERAL SPECIFICATION FOR (08-AUG-1997) [SUPERSEDING MIL-H-87819A]., This amendment forms a part of MIL-PRF-87819A(USAF), dated 30 January 1997, and is approved for use by the Department of the Air Force and is available for use by all Departments and Agencies of the Department of Defense.