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 5920-01-634-0250
NSN 5999-00-944-8044
NSN 5985-01-477-3964
NSN 5855-01-195-2518
NSN 5855-00-688-9954
NSN 5855-00-149-0766
NSN 5960-01-139-5968
NSN 5950-01-348-4100
NSN 5990-01-385-6634
NSN 6320-00-857-4073
NSN 5965-01-364-1083
NSN 6240-00-169-6408