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 5915-01-428-5885
NSN 5975-01-085-4517
NSN 2925-00-174-4322
NSN 5925-01-052-7216
NSN 5998-01-313-6508
NSN 5835-01-439-0180
NSN 6650-01-366-5904
NSN 6150-01-023-7710
NSN 5965-00-372-2537
NSN 5915-01-562-0305
NSN 6145-00-896-1893
NSN 4140-00-540-6731