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 6150-00-222-3772
NSN 6135-00-221-4720
NSN 5915-01-214-4184
NSN 5915-01-540-7961
NSN 6240-00-241-2288
NSN 5998-00-916-1871
NSN 5985-00-463-9830
NSN 2925-01-633-4048
NSN 7035-00-628-3471
NSN 6150-00-701-7880
NSN 5910-01-255-9889
NSN 6240-01-495-0597