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 5996-01-495-4331
NSN 6135-01-068-0119
NSN 5996-01-560-2777
NSN 5915-01-391-1114
NSN 6150-01-420-6811
NSN 6620-00-278-7313
NSN 6685-00-508-1490
NSN 5915-01-348-7721
NSN 6620-00-923-5137
NSN 6135-01-581-1039
NSN 5895-00-932-5491
NSN 5998-00-436-7932