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 5905-01-130-1757
NSN 5950-00-177-7230
NSN 5960-00-341-5948
NSN 5930-01-153-0961
NSN 6145-01-530-7171
NSN 5925-00-957-7350
NSN 5910-01-092-5486
NSN 4140-01-100-1223
NSN 6130-01-461-1068
NSN 5965-01-141-8785
NSN 5965-00-189-9394
NSN 6320-00-343-1798