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 6150-01-302-7210
NSN 6240-01-259-8990
NSN 5960-01-222-0074
NSN 6620-01-029-3705
NSN 6645-00-602-5968
NSN 6135-00-203-9645
NSN 5999-01-604-7906
NSN 5895-01-399-7914
NSN 5975-01-541-5283
NSN 5905-01-441-1849
NSN 5999-01-567-9679
NSN 5835-01-067-9271