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 5998-00-882-8838
NSN 5996-01-223-3506
NSN 5895-01-288-2253
NSN 6145-00-517-6666
NSN 5996-01-034-0488
NSN 6105-00-369-7700
NSN 5930-01-454-8441
NSN 5975-01-459-7763
NSN 6650-01-022-7318
NSN 6645-00-163-9580
NSN 5915-01-005-0048
NSN 6220-01-127-0506