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 5950-00-300-1961
NSN 6135-01-454-2894
NSN 6610-01-442-3509
NSN 6645-01-383-8139
NSN 6685-00-720-3525
NSN 4140-01-074-9508
NSN 5960-00-322-8562
NSN 5935-01-271-0924
NSN 6110-00-481-7022
NSN 5998-01-004-6664
NSN 5998-00-203-1232
NSN 5935-01-163-0453