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 5996-00-311-9302
NSN 5945-01-634-0588
NSN 5920-00-995-0837
NSN 5945-01-602-7277
NSN 5905-01-024-8471
NSN 6130-00-323-8300
NSN 5935-01-634-0668
NSN 6620-01-036-6687
NSN 6110-01-462-1698
NSN 5985-00-883-3308
NSN 5985-00-865-8886
NSN 5910-00-508-1279