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 6105-01-616-0903
NSN 5905-01-330-7072
NSN 6610-00-346-4309
NSN 2925-01-446-6523
NSN 6105-01-231-7759
NSN 4140-01-214-6380
NSN 6240-01-044-5049
NSN 6320-00-098-2858
NSN 5996-01-275-0831
NSN 5965-01-180-7070
NSN 5996-01-463-1269
NSN 4140-00-067-7460