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 5990-01-257-8299
NSN 6135-01-561-5945
NSN 6620-00-567-6006
NSN 6145-01-584-4094
NSN 7035-00-523-7492
NSN 5985-01-448-7521
NSN 5905-01-490-7808
NSN 6130-01-206-5151
NSN 6110-00-778-8964
NSN 6685-01-364-8552
NSN 6650-01-241-1269
NSN 6105-00-707-2743