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 5975-01-290-7638
NSN 6610-01-061-8466
NSN 5990-00-600-6151
NSN 4140-01-648-2175
NSN 5925-00-336-9150
NSN 5895-01-605-2596
NSN 4140-01-221-3775
NSN 6650-00-098-6128
NSN 5985-01-597-4069
NSN 5905-01-521-8627
NSN 7035-00-731-8729
NSN 6240-00-126-4551