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 6320-00-242-3300
NSN 5975-00-285-8003
NSN 5855-00-763-2155
NSN 5975-00-862-4506
NSN 5910-01-487-7710
NSN 6620-01-569-4621
NSN 5930-01-483-7708
NSN 6130-00-403-3585
NSN 5905-01-491-7600
NSN 6240-01-658-3177
NSN 6620-00-708-1417
NSN 4140-00-525-0206