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 6650-01-449-0702
NSN 7035-01-154-0796
NSN 5965-00-372-2537
NSN 6685-01-140-9563
NSN 6240-01-437-9439
NSN 6685-01-212-3259
NSN 2925-01-580-1527
NSN 6145-01-231-3927
NSN 5855-01-600-0486
NSN 5920-01-115-4335
NSN 6645-01-455-1293
NSN 6645-00-229-1521