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 4140-01-562-7868
NSN 5950-01-023-0805
NSN 6110-01-158-4038
NSN 5935-00-320-7747
NSN 4140-01-020-6026
NSN 5855-00-862-3345
NSN 6620-01-083-3793
NSN 5925-00-062-6948
NSN 5905-00-008-5767
NSN 6320-00-456-0836
NSN 5905-00-840-6669
NSN 5910-00-280-1463