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 2925-00-450-7783
NSN 5998-01-440-1860
NSN 6320-01-536-3077
NSN 5965-01-474-2820
NSN 6610-00-518-4919
NSN 6135-01-142-2417
NSN 5975-01-461-2232
NSN 2925-00-964-7128
NSN 5915-01-485-9434
NSN 6110-01-551-8753
NSN 5950-01-408-4273
NSN 6150-01-514-8519