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 2925-00-081-3547
NSN 5990-01-612-5323
NSN 5950-01-164-2489
NSN 6130-00-504-2775
NSN 5996-01-526-5459
NSN 6620-00-411-4983
NSN 6320-01-389-8128
NSN 5990-01-326-2677
NSN 6150-01-634-0575
NSN 6320-00-116-3658
NSN 5915-01-138-9991
NSN 2925-01-243-0328