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 6320-00-937-5625
NSN 4140-01-647-6963
NSN 5835-00-233-6327
NSN 5996-00-782-7231
NSN 6650-01-609-7257
NSN 6105-00-300-8926
NSN 5930-00-809-5498
NSN 6645-01-510-3496
NSN 6145-00-823-6215
NSN 5905-01-062-5867
NSN 6610-00-948-7181
NSN 5905-01-174-8970