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 5935-01-044-5741
NSN 2925-00-987-9595
NSN 5915-00-387-2333
NSN 6620-01-569-4621
NSN 5935-00-948-3838
NSN 7035-00-849-5526
NSN 5920-01-167-0810
NSN 5998-01-035-0293
NSN 6685-01-114-2468
NSN 6320-01-631-7828
NSN 6145-01-268-5622
NSN 6130-01-529-3871