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 5915-01-423-8561
NSN 6150-01-395-8518
NSN 5996-01-198-0117
NSN 5945-01-190-8078
NSN 6645-01-576-9896
NSN 6220-00-009-2335
NSN 6320-01-162-5977
NSN 5915-00-280-0572
NSN 6610-00-766-7923
NSN 6150-01-065-1868
NSN 5996-01-522-7150
NSN 6145-01-512-7972