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 5905-01-577-7468
NSN 6320-01-612-7035
NSN 6320-01-420-0340
NSN 6105-01-200-8131
NSN 6620-00-149-7557
NSN 6105-01-461-9117
NSN 6135-01-121-3225
NSN 6645-00-716-8049
NSN 5975-01-023-1777
NSN 6150-00-239-5974
NSN 4140-01-361-2292
NSN 5855-01-396-0258