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 5990-01-018-3953
NSN 6145-01-025-6514
NSN 5935-00-134-5747
NSN 5999-00-189-0772
NSN 6685-01-634-0611
NSN 5835-00-665-3395
NSN 6105-00-901-1346
NSN 5999-01-578-9484
NSN 5975-01-360-6175
NSN 6150-00-785-3272
NSN 5950-01-301-2610
NSN 5905-01-254-3740