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 5905-01-581-0215
NSN 5945-00-901-2235
NSN 2925-00-422-5159
NSN 5950-01-279-1084
NSN 5855-00-089-3974
NSN 6150-01-219-7891
NSN 6620-00-740-3699
NSN 6110-01-613-5271
NSN 5990-00-446-0518
NSN 5945-01-203-4994
NSN 6135-00-990-1822
NSN 6650-01-458-6608