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 6320-00-174-1362
NSN 5950-01-645-4986
NSN 6620-01-412-5514
NSN 6610-00-511-6201
NSN 6685-00-113-1888
NSN 5905-01-469-2508
NSN 4140-00-564-5986
NSN 5965-01-415-0872
NSN 5930-00-849-7692
NSN 5935-01-150-2011
NSN 6145-00-884-8112
NSN 5855-00-361-0167