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 5905-01-543-2306
NSN 6135-00-471-5356
NSN 5835-01-453-8935
NSN 6240-01-592-0615
NSN 5960-01-244-1969
NSN 6685-01-425-1719
NSN 6645-00-055-0170
NSN 6220-01-091-2470
NSN 6220-00-707-5044
NSN 5835-00-221-6628
NSN 5895-01-363-9865
NSN 5930-00-873-3145