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 5930-01-026-6094
NSN 6685-00-063-9722
NSN 6620-00-335-9462
NSN 5975-01-313-5397
NSN 6150-00-995-0384
NSN 6145-01-024-9466
NSN 6620-01-158-7309
NSN 2925-00-918-0859
NSN 5975-01-644-0870
NSN 5985-01-383-4833
NSN 5910-01-124-6069
NSN 6110-01-182-5100