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 6685-00-104-7149
NSN 5990-00-116-6590
NSN 5920-01-593-5677
NSN 6135-01-477-5259
NSN 6650-00-185-8344
NSN 5895-01-025-3741
NSN 6110-01-174-8137
NSN 6320-00-504-1214
NSN 5835-01-359-2575
NSN 4140-01-042-1347
NSN 5835-01-485-0210
NSN 2925-01-218-5556