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 5999-01-429-6307
NSN 6650-01-392-4913
NSN 5985-00-277-7371
NSN 5990-01-537-4815
NSN 5930-00-865-2015
NSN 6620-00-572-8787
NSN 5945-00-455-2471
NSN 5996-00-615-6083
NSN 6685-01-326-7020
NSN 4140-00-300-8111
NSN 6320-01-622-5493
NSN 5960-00-897-8591