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 5999-01-471-7922
NSN 6645-01-595-4323
NSN 6620-01-068-0046
NSN 6620-00-483-1407
NSN 5855-01-600-4130
NSN 5965-00-996-3541
NSN 6220-00-881-2596
NSN 6130-01-167-6021
NSN 6645-00-979-6824
NSN 6135-00-823-3034
NSN 5920-01-068-3135
NSN 5996-00-014-5822