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 5925-01-617-8590
NSN 5990-01-525-2250
NSN 6610-00-607-9459
NSN 6145-01-181-6198
NSN 5935-01-367-6671
NSN 5990-01-319-5667
NSN 5920-00-493-6627
NSN 6650-00-717-8913
NSN 5975-01-421-6733
NSN 5975-01-163-6562
NSN 2925-00-806-7972
NSN 5835-01-116-2369