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 4140-01-262-2255
NSN 2925-00-782-1498
NSN 6320-01-552-8721
NSN 6320-01-425-1417
NSN 5945-01-057-3477
NSN 5915-00-056-5007
NSN 6110-00-132-1330
NSN 6685-00-476-9644
NSN 6240-01-498-7137
NSN 6135-01-631-4483
NSN 5905-01-383-8688
NSN 6130-00-473-2270