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 6320-01-447-4289
NSN 6220-00-841-9321
NSN 6320-01-094-2634
NSN 6240-00-232-7065
NSN 5990-00-948-0440
NSN 5965-00-735-9315
NSN 6620-00-861-3828
NSN 6110-01-440-2282
NSN 4140-01-104-4727
NSN 5915-01-023-5936
NSN 6110-00-816-9715
NSN 4140-00-081-4364