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 6685-00-682-7459
NSN 6220-01-316-1845
NSN 5920-00-076-9889
NSN 5925-01-285-7519
NSN 6685-01-259-3006
NSN 6145-01-627-3256
NSN 5935-00-415-1990
NSN 5960-01-641-5493
NSN 2925-00-869-1451
NSN 6150-01-296-7377
NSN 5985-01-020-7594
NSN 6150-01-189-5943