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 6220-01-020-8018
NSN 6220-01-123-4096
NSN 5985-01-418-9194
NSN 5835-01-442-6482
NSN 6650-01-505-1127
NSN 6130-01-542-5501
NSN 6130-01-299-0686
NSN 6320-01-214-0350
NSN 5945-01-558-8487
NSN 6650-00-885-3775
NSN 6685-00-516-2173
NSN 5945-00-153-4655