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 5925-00-205-2767
NSN 6240-00-982-4522
NSN 6135-01-508-3784
NSN 6105-01-454-0897
NSN 6645-01-262-0685
NSN 5895-01-314-7644
NSN 5835-00-552-0734
NSN 5895-01-020-2842
NSN 5910-00-156-7293
NSN 2925-00-982-0409
NSN 6650-01-088-5199
NSN 5925-01-579-3744