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 5930-01-126-6772
NSN 5910-01-293-9918
NSN 7035-01-150-6303
NSN 6145-01-272-8383
NSN 6240-00-908-5069
NSN 5945-01-258-5042
NSN 5855-01-421-7691
NSN 5965-01-160-9819
NSN 5960-00-769-1131
NSN 6105-01-634-0322
NSN 5960-01-649-1341
NSN 5985-01-645-8840