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 6650-00-527-7451
NSN 6130-00-204-2976
NSN 6150-01-529-6368
NSN 5945-01-069-9469
NSN 6135-00-100-0485
NSN 2925-00-246-3077
NSN 6645-01-062-4042
NSN 5925-01-246-9620
NSN 6220-01-091-0334
NSN 4140-01-124-1630
NSN 5905-01-463-3144
NSN 5960-00-263-0106