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 5975-01-485-3490
NSN 4140-01-128-9614
NSN 5985-00-109-9654
NSN 6105-00-707-5962
NSN 5930-01-063-6312
NSN 5910-00-470-1579
NSN 5925-01-029-1591
NSN 6320-00-468-8421
NSN 5910-00-148-9365
NSN 5999-01-370-5943
NSN 6130-01-213-9541
NSN 5895-01-348-0598