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 6685-00-284-2244
NSN 6145-01-453-9191
NSN 6220-01-627-0393
NSN 6645-01-493-2620
NSN 6650-01-421-8424
NSN 6135-00-175-7132
NSN 5950-01-201-2988
NSN 5975-00-185-5243
NSN 5965-00-246-5612
NSN 6240-01-478-8488
NSN 6220-01-162-7630
NSN 6620-00-273-8735