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 5855-00-862-3345
NSN 5960-00-529-2704
NSN 6685-00-270-0692
NSN 5915-01-651-1540
NSN 6105-01-186-4287
NSN 5855-01-068-8915
NSN 5998-01-208-9026
NSN 5945-00-674-1062
NSN 5999-01-529-2881
NSN 5855-01-147-6024
NSN 5945-01-027-5716
NSN 6610-01-250-2811