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 6610-00-734-1427
NSN 5945-01-079-2910
NSN 5855-01-179-2702
NSN 6135-01-511-0373
NSN 5965-00-482-7945
NSN 5915-01-575-4832
NSN 6645-00-704-3630
NSN 6220-01-025-1373
NSN 6685-01-568-2182
NSN 6240-00-138-3082
NSN 5990-00-038-6482
NSN 5855-01-628-0985