Active noise reduction module (a.N.R.) 19 ohm.
No other part numbers with same form, fit, and function found.
An item consisting of two earcups, each of which are filled with sound attenuating material. It is designed to completely cover the wearer's ears and protect them from high intensity sound. It may include a headband or it may be designed for mounting onto headware, such as a helmet. For items containing earphones, see headset, electrical and headset-microphone. For items designed to be inserted into the ear, see plug, ear.
Classification: Safety headgear, whether or not lined or trimmed, n.E.S.O.I.
NSN 6685-01-380-4155
NSN 5990-00-258-0228
NSN 5935-01-527-1400
NSN 5895-00-803-9829
NSN 5960-00-340-3120
NSN 5935-01-492-5320
NSN 5915-01-632-7216
NSN 6145-00-194-2693
NSN 5905-01-342-6147
NSN 6110-01-367-0977
NSN 5915-00-646-9819
NSN 5930-01-016-9668