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 6610-01-375-9994
NSN 7035-00-585-2113
NSN 6620-00-815-2281
NSN 5996-01-463-1685
NSN 6645-01-292-9778
NSN 6220-01-434-2497
NSN 6610-01-389-0620
NSN 5895-00-209-9766
NSN 5905-01-388-6797
NSN 6685-01-569-7682
NSN 5905-01-571-7718
NSN 5990-01-085-2068