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 4140-01-179-8299
NSN 6145-01-266-7885
NSN 5985-00-186-2927
NSN 5835-01-170-5537
NSN 6110-00-816-9715
NSN 5855-00-862-3345
NSN 5935-01-245-3394
NSN 5990-01-411-5930
NSN 6610-01-397-6965
NSN 5915-00-501-8579
NSN 5990-00-155-2306
NSN 7035-01-593-8058