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 5999-01-377-4984
NSN 4140-00-895-9624
NSN 5855-01-469-7732
NSN 5945-01-201-1416
NSN 5930-01-498-3632
NSN 5985-00-175-8662
NSN 5930-00-839-6676
NSN 2925-00-295-8109
NSN 5915-01-617-7683
NSN 5998-01-314-3007
NSN 5920-01-062-2209
NSN 5915-00-431-8744