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 5999-00-984-0602
NSN 6150-00-125-9572
NSN 6150-00-913-1321
NSN 6320-00-925-0558
NSN 5855-01-392-3734
NSN 6645-00-315-9254
NSN 5910-01-519-2798
NSN 6320-01-339-8056
NSN 5895-01-181-2419
NSN 5996-01-279-7011
NSN 6135-00-767-0331
NSN 5945-01-479-3463