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 6685-00-919-5654
NSN 7035-01-541-4216
NSN 6240-01-555-5980
NSN 5998-01-258-3504
NSN 5895-00-889-3963
NSN 5985-01-264-9240
NSN 6135-01-445-6589
NSN 6645-01-299-7806
NSN 5935-01-514-1414
NSN 5930-01-433-2806
NSN 5895-01-187-7898
NSN 5905-01-245-1379