A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).
Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers
NSN 6650-00-295-1749
NSN 5920-01-280-2168
NSN 5975-00-687-2196
NSN 5920-01-355-6983
NSN 6150-00-523-6707
NSN 6240-00-548-0019
NSN 5920-01-116-3576
NSN 5930-01-109-5096
NSN 5915-01-584-2404
NSN 6135-01-400-2947
NSN 6610-01-604-1744
NSN 5975-00-025-0690