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 5996-01-438-9421
NSN 6240-01-338-1773
NSN 5990-01-516-9665
NSN 5935-01-452-8093
NSN 6150-01-452-7778
NSN 5990-00-934-3145
NSN 6135-01-291-6712
NSN 6130-01-537-2711
NSN 6105-00-047-4939
NSN 2925-01-633-4048
NSN 5895-01-401-5388
NSN 5998-00-735-4963