MIL-STD-1431, MILITARY STANDARD: AURAL PROTECTOR, SOUND (05 SEP 1969) [NO S/S DOCUMENT]

MIL-STD-1431, MILITARY STANDARD: AURAL PROTECTOR, SOUND (05 SEP 1969) [NO S/S DOCUMENT]., This standard is a presentation of data, including but not limited to the general requirements of design and construction, protective treatment and shelf life, and the detail requirements of nomenclature, use data, safety precautions, packaging, marking and storage of all military standard hearing protectors.