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 5925-00-863-4232
NSN 5915-00-482-2899
NSN 6650-00-070-2225
NSN 6150-01-416-6926
NSN 5925-00-023-0104
NSN 5950-00-602-6649
NSN 6650-01-529-6416
NSN 6320-00-779-5923
NSN 5835-00-994-5116
NSN 5975-01-052-3489
NSN 6150-00-542-8668
NSN 4140-01-191-7577