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 5905-01-631-2909
NSN 6110-01-608-3775
NSN 5985-00-147-9452
NSN 6685-00-148-9729
NSN 7035-01-398-9581
NSN 5915-00-452-0863
NSN 6320-01-384-3219
NSN 6650-01-086-1270
NSN 5996-01-633-7979
NSN 5960-01-343-4939
NSN 5996-01-425-1455
NSN 2925-00-946-9498