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 6645-00-403-6068
NSN 6645-00-121-7566
NSN 5835-01-200-7153
NSN 5920-00-296-9454
NSN 2925-01-415-2140
NSN 5990-01-510-4699
NSN 6145-01-427-3520
NSN 2925-00-126-2879
NSN 6320-01-029-4220
NSN 6110-01-306-8520
NSN 4140-01-457-9527
NSN 5905-01-476-3529