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 5835-01-123-8305
NSN 5910-01-411-6923
NSN 6150-00-698-5531
NSN 5910-01-617-2497
NSN 6105-00-608-0749
NSN 4140-01-498-2053
NSN 5945-00-081-0859
NSN 5960-00-011-4910
NSN 5985-01-391-9103
NSN 6240-01-607-6252
NSN 6240-00-031-3112
NSN 6320-00-511-7331