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 5965-00-121-7569
NSN 5999-01-631-4166
NSN 5910-00-170-7914
NSN 6110-01-081-8599
NSN 2925-00-596-9775
NSN 5960-01-418-2641
NSN 7035-01-621-8691
NSN 5998-01-231-8461
NSN 5998-01-512-4955
NSN 5925-00-568-2455
NSN 2925-01-290-4562
NSN 6320-00-228-5678