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 5985-01-081-0222
NSN 6645-01-283-2080
NSN 5945-01-226-6075
NSN 5965-01-168-8180
NSN 5905-01-446-7773
NSN 5920-00-189-0858
NSN 6105-00-758-5247
NSN 6145-01-177-7577
NSN 5985-00-976-9578
NSN 4140-00-726-2406
NSN 5985-00-699-9127
NSN 6650-01-166-0889