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 5935-00-797-1319
NSN 5925-01-318-5330
NSN 5998-01-655-3399
NSN 6610-00-388-9188
NSN 6220-00-840-9528
NSN 6110-01-509-5986
NSN 6150-00-008-9545
NSN 6320-01-648-5538
NSN 7035-01-531-6554
NSN 5895-01-535-6325
NSN 6610-01-178-0333
NSN 5965-00-079-0928