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 6220-01-463-2252
NSN 4140-01-644-6552
NSN 5945-01-565-9770
NSN 5910-01-510-9454
NSN 6685-00-250-1969
NSN 5945-01-610-2539
NSN 5945-00-222-7503
NSN 6610-01-026-1560
NSN 5915-01-480-0980
NSN 6610-01-659-3277
NSN 5998-01-378-6815
NSN 5905-01-657-2978