Noise reduction rating (nrr) is 27db, folding design, adjustable, 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 5965-00-412-4402
NSN 5930-00-266-8175
NSN 6150-00-151-6771
NSN 6645-00-067-7070
NSN 5855-01-511-4046
NSN 6610-01-342-9774
NSN 6110-01-523-8608
NSN 6110-01-391-6497
NSN 5935-00-299-2102
NSN 5930-00-059-4990
NSN 6110-01-596-6962
NSN 6145-01-568-5428