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 5998-01-294-7448
NSN 5835-01-282-9768
NSN 2925-01-659-8436
NSN 5965-01-217-7167
NSN 6110-01-003-6326
NSN 5915-00-514-2098
NSN 5998-01-634-0604
NSN 5960-00-422-3197
NSN 6130-01-627-2487
NSN 6110-00-549-6662
NSN 6105-00-442-1818
NSN 5915-00-595-8090