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 6240-01-536-3604
NSN 5835-01-373-9506
NSN 5930-01-614-3842
NSN 6130-00-289-7050
NSN 6685-00-684-7891
NSN 5925-00-233-5125
NSN 5960-00-681-0395
NSN 5915-01-598-3253
NSN 5990-00-424-8872
NSN 6620-01-204-4640
NSN 5855-01-063-6340
NSN 5855-01-597-8638