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 6645-01-016-7706
NSN 7035-01-330-4799
NSN 6135-01-612-6991
NSN 5930-00-644-9537
NSN 6620-01-567-2084
NSN 5999-00-163-4181
NSN 6110-00-201-8315
NSN 6320-00-553-8427
NSN 5996-01-543-3543
NSN 4140-00-100-4563
NSN 5965-00-001-7593
NSN 5975-01-474-5932