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 5960-01-649-1341
NSN 7035-00-703-3535
NSN 6620-00-928-0227
NSN 5910-01-604-4094
NSN 6645-01-258-5558
NSN 5855-01-241-1054
NSN 6620-01-318-7891
NSN 5910-00-795-4934
NSN 5905-01-414-8932
NSN 5915-01-029-7022
NSN 6650-01-024-9554
NSN 6240-00-072-9966