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 6240-00-187-4306
NSN 5985-01-204-8432
NSN 2925-01-495-9054
NSN 5975-01-232-1007
NSN 5998-01-021-0300
NSN 6150-00-580-0511
NSN 2925-01-660-0669
NSN 6320-01-160-3730
NSN 5965-00-263-6436
NSN 6150-00-683-5349
NSN 5960-01-023-8037
NSN 6685-01-070-8888