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 6610-00-194-0676
NSN 5905-00-372-5214
NSN 5990-01-187-8594
NSN 5975-00-204-9190
NSN 5910-01-574-0303
NSN 6105-00-885-0773
NSN 6110-00-397-7531
NSN 5975-01-519-8326
NSN 5915-01-360-5612
NSN 7035-01-377-6255
NSN 6220-00-960-7591
NSN 5985-00-974-0030