Two point suspension, adjustable, noise reduction rating (nrr) is 29db, 20 per package
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 5999-01-529-3070
NSN 7035-01-605-3375
NSN 6650-01-227-8761
NSN 5975-01-389-2261
NSN 5835-01-341-1163
NSN 5915-01-642-1670
NSN 6685-01-023-8007
NSN 5905-01-428-7774
NSN 6240-00-453-3170
NSN 5999-01-359-8294
NSN 6620-00-053-2999
NSN 4140-01-120-3002