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 7035-01-123-0085
NSN 4140-01-393-6183
NSN 5960-01-126-5767
NSN 5910-00-803-4735
NSN 5905-00-170-8370
NSN 5895-01-013-5397
NSN 5930-00-452-8129
NSN 5915-00-528-9286
NSN 5945-01-419-8182
NSN 5985-01-444-5800
NSN 6240-01-048-7599
NSN 4140-00-104-7323