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 5915-00-278-5561
NSN 6150-00-133-2552
NSN 6320-01-476-7702
NSN 5950-01-172-9891
NSN 6650-01-142-9293
NSN 5945-01-578-4625
NSN 5930-01-280-2648
NSN 5950-00-984-8758
NSN 5935-00-021-7083
NSN 5835-00-339-3020
NSN 5999-01-365-4009
NSN 6645-01-283-5387