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 6150-01-279-2419
NSN 6320-01-021-6633
NSN 5895-00-250-8931
NSN 5945-01-242-7552
NSN 6110-00-387-3911
NSN 5960-00-697-3623
NSN 6105-01-527-2890
NSN 5960-01-543-0235
NSN 6685-00-627-1940
NSN 5945-01-176-4514
NSN 5960-01-320-7675
NSN 7035-01-138-1223