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 6220-01-622-1996
NSN 6610-00-479-0681
NSN 5996-00-155-9309
NSN 5965-01-527-5012
NSN 5935-01-563-4625
NSN 5935-01-036-4704
NSN 5999-01-213-0242
NSN 5975-00-949-0179
NSN 4140-00-287-2653
NSN 6685-01-438-1434
NSN 6130-01-449-2282
NSN 7035-01-083-0282