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 5985-01-530-6779
NSN 5950-01-524-5319
NSN 5998-01-123-3904
NSN 6610-01-422-1322
NSN 6240-00-179-5731
NSN 5998-01-614-8508
NSN 5975-01-476-1753
NSN 5998-00-039-5092
NSN 5920-00-187-0260
NSN 6320-00-937-5625
NSN 5990-00-875-4628
NSN 5915-01-222-8199