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 6610-01-091-3740
NSN 5905-01-050-0630
NSN 6650-01-398-1884
NSN 5975-01-323-6361
NSN 6240-00-237-7878
NSN 6620-01-258-2570
NSN 5855-00-610-4052
NSN 6320-01-333-5782
NSN 7035-00-371-7749
NSN 6150-01-658-7082
NSN 6650-01-399-8552
NSN 6110-00-085-8951