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 5935-00-179-0649
NSN 6320-01-116-3980
NSN 5930-00-799-5981
NSN 6145-01-358-0379
NSN 6320-00-284-1524
NSN 6130-00-815-2293
NSN 6240-01-617-8254
NSN 5915-01-151-4766
NSN 7035-01-576-0134
NSN 5945-01-241-2155
NSN 5999-00-488-5058
NSN 5835-01-122-3489