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 6240-01-398-5961
NSN 5960-01-100-0089
NSN 5855-00-198-3197
NSN 5915-00-824-0196
NSN 6620-00-115-9050
NSN 5920-01-175-2808
NSN 5965-00-106-3195
NSN 5998-01-054-4459
NSN 5835-00-985-1444
NSN 6240-01-206-4809
NSN 5960-01-302-7583
NSN 6150-01-573-7514