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 4140-00-968-7367
NSN 5915-01-236-1107
NSN 5990-01-229-8567
NSN 6650-01-632-1574
NSN 6145-00-722-0090
NSN 6610-01-053-6781
NSN 5996-00-134-3557
NSN 5895-00-548-9329
NSN 5930-00-172-0861
NSN 5985-01-124-7299
NSN 5975-01-392-6126
NSN 5998-01-024-7713