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 5999-00-666-3838
NSN 4140-01-549-2409
NSN 5835-00-707-6266
NSN 6150-01-519-9309
NSN 5855-01-366-2429
NSN 6220-01-449-1239
NSN 6145-00-575-7190
NSN 5930-01-400-6126
NSN 5915-01-190-6420
NSN 5945-01-131-6807
NSN 6645-01-473-9179
NSN 6220-00-366-1670