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 5910-01-602-2703
NSN 6685-00-236-4443
NSN 5925-00-391-6987
NSN 2925-01-156-9570
NSN 5998-01-497-5759
NSN 6145-00-465-1641
NSN 6240-01-573-8989
NSN 5990-00-767-0893
NSN 6610-01-141-7014
NSN 5925-00-275-7599
NSN 5998-01-412-6107
NSN 5990-01-586-8202