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 6135-01-555-4283
NSN 5935-00-726-9274
NSN 5905-00-419-0326
NSN 6135-00-196-5267
NSN 6685-01-277-5987
NSN 6220-01-014-5351
NSN 6645-00-200-2324
NSN 5999-01-139-1579
NSN 6320-00-925-0558
NSN 4140-00-240-1836
NSN 5996-01-338-2998
NSN 4140-01-121-7902