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 5999-01-182-3573
NSN 5950-01-501-6175
NSN 6130-01-023-8031
NSN 5985-01-073-0249
NSN 5915-01-069-3959
NSN 6110-00-146-2114
NSN 5965-01-618-3511
NSN 2925-01-543-0073
NSN 6220-00-878-7301
NSN 5925-00-603-8077
NSN 6320-00-539-9283
NSN 5905-01-011-8936