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 5990-01-529-8433
NSN 5855-01-003-7102
NSN 6620-00-885-0716
NSN 5999-01-550-0327
NSN 6320-00-925-0558
NSN 5905-01-243-1784
NSN 6110-01-601-8801
NSN 5950-00-993-9850
NSN 5920-00-855-6600
NSN 6240-01-120-3533
NSN 6220-00-455-6306
NSN 5998-01-407-4094