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 5965-01-092-4860
NSN 5985-01-434-5968
NSN 6240-00-403-4861
NSN 5990-00-412-4411
NSN 5945-00-944-2443
NSN 5910-00-138-9746
NSN 5925-01-051-9654
NSN 2925-01-368-5773
NSN 5855-01-552-4759
NSN 5915-01-375-5804
NSN 2925-01-019-1672
NSN 5835-01-485-0210