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 6645-01-555-9856
NSN 6150-01-104-3356
NSN 6130-01-527-7012
NSN 6320-01-123-6814
NSN 6320-01-415-0953
NSN 5855-00-160-2286
NSN 6610-01-566-8198
NSN 6685-01-291-2633
NSN 7035-01-097-8704
NSN 6110-01-012-4710
NSN 5990-01-222-6196
NSN 5920-01-099-8998