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 6610-01-156-0810
NSN 6220-00-651-8384
NSN 5895-01-094-7255
NSN 5930-01-126-3459
NSN 7035-01-337-8128
NSN 5915-01-373-4492
NSN 5998-00-803-3067
NSN 5910-01-257-0449
NSN 2925-01-538-1343
NSN 5905-00-269-2995
NSN 6620-01-047-2787
NSN 6220-01-147-3030