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 5985-01-109-1697
NSN 5930-01-646-8642
NSN 5996-01-352-0366
NSN 6685-01-391-7560
NSN 6620-00-876-0776
NSN 6130-01-094-4348
NSN 6610-00-141-7000
NSN 6105-00-343-1964
NSN 5996-01-214-9927
NSN 5925-01-644-2208
NSN 5925-01-012-3624
NSN 4140-01-609-8360