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 5998-01-509-6663
NSN 5960-01-522-0391
NSN 5935-01-183-4995
NSN 5998-00-204-9700
NSN 5925-00-156-4044
NSN 6645-00-155-2398
NSN 5985-00-277-7371
NSN 6620-01-053-6650
NSN 5910-01-163-6307
NSN 5996-00-199-9303
NSN 5910-00-250-4422
NSN 5999-00-763-8713