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 5998-00-763-8779
NSN 6320-01-177-3192
NSN 7035-01-211-5636
NSN 5855-01-100-3272
NSN 6645-01-358-1474
NSN 6220-00-816-8131
NSN 5998-01-494-2447
NSN 5910-01-602-2703
NSN 5998-01-620-0618
NSN 5935-01-378-9132
NSN 4140-01-399-2472
NSN 6105-00-815-0877