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 5996-00-678-2254
NSN 6135-01-276-5402
NSN 4140-01-104-4727
NSN 5945-01-437-5611
NSN 5915-00-186-9346
NSN 5985-01-447-9134
NSN 6610-01-388-8313
NSN 6645-00-116-1409
NSN 5835-01-143-9143
NSN 7035-01-633-9537
NSN 6150-01-197-9864
NSN 6130-01-175-7328