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 6150-00-488-3726
NSN 5910-01-442-5697
NSN 5910-00-108-8462
NSN 6135-01-202-8113
NSN 6145-00-458-6437
NSN 5985-01-166-5892
NSN 5925-01-455-6400
NSN 6130-01-013-9343
NSN 6135-01-463-2445
NSN 5990-01-440-6361
NSN 4140-01-198-1452
NSN 7035-01-034-6183