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 5920-01-446-3325
NSN 5950-00-930-2162
NSN 5965-01-299-8690
NSN 6685-01-585-4664
NSN 6145-00-539-4832
NSN 5910-01-461-4595
NSN 6645-01-547-8490
NSN 6240-01-458-5730
NSN 7035-00-238-3662
NSN 6685-01-248-9351
NSN 5999-00-476-6327
NSN 5920-01-068-9353