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 5925-00-304-2548
NSN 5998-01-368-6793
NSN 5835-01-337-6247
NSN 5835-00-092-1136
NSN 5905-01-263-6137
NSN 5905-01-119-2395
NSN 5945-01-205-0000
NSN 6150-00-275-4601
NSN 5930-00-396-2310
NSN 5915-01-106-0754
NSN 5935-01-257-2237
NSN 5935-01-011-1191