MIL-DTL-83511A (SUPPLEMENT-1), DETAIL SPECIFICATION: HEADSET-MICROPHONE AND HEADSET-ELECTRICAL (MEDIUM NOISE ATTENUATION, HEARING PROTECTIVE), GENERAL SPECIFICATION FOR (11-MAR-2004) [SUPERSEDING MIL-H-83511]

MIL-DTL-83511A (SUPPLEMENT-1), DETAIL SPECIFICATION: HEADSET-MICROPHONE AND HEADSET-ELECTRICAL (MEDIUM NOISE ATTENUATION, HEARING PROTECTIVE), GENERAL SPECIFICATION FOR (11-MAR-2004) [SUPERSEDING MIL-H-83511]., This supplement forms a part of MIL-DTL-83511A.