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 6610-01-627-0642
NSN 6145-01-371-2404
NSN 6135-00-351-8606
NSN 5960-00-833-9154
NSN 5935-00-067-4192
NSN 6240-01-224-0052
NSN 5925-00-888-5444
NSN 5999-01-412-0961
NSN 2925-00-017-9807
NSN 5835-00-404-6149
NSN 5965-01-485-0018
NSN 5935-01-649-1601