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 5910-01-633-9963
NSN 6105-01-406-6694
NSN 5998-01-180-7723
NSN 4140-01-439-6490
NSN 6620-00-104-6937
NSN 5950-01-200-1169
NSN 6620-01-437-3146
NSN 5996-00-597-2234
NSN 6130-00-548-2952
NSN 6220-01-226-1776
NSN 5945-00-226-1023
NSN 6220-01-331-3468