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 6220-01-272-8081
NSN 5950-00-251-3618
NSN 5930-01-644-5471
NSN 5910-01-173-4925
NSN 5835-01-020-5650
NSN 6145-01-029-7759
NSN 6220-01-483-6115
NSN 6645-01-093-5015
NSN 5930-01-364-1148
NSN 5905-00-244-6205
NSN 6685-01-599-9831
NSN 6130-01-023-9444