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 5975-01-444-8827
NSN 6135-00-702-2772
NSN 6135-00-583-3966
NSN 6220-00-998-2169
NSN 5950-01-571-8560
NSN 5950-01-444-1789
NSN 6685-01-434-2066
NSN 5975-01-172-2322
NSN 5915-00-808-8249
NSN 5945-01-657-0207
NSN 5905-00-150-1312
NSN 5835-01-099-4573