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 5985-01-441-5048
NSN 6650-01-551-6866
NSN 6650-01-541-6718
NSN 5855-01-145-8973
NSN 5905-01-327-2255
NSN 5895-00-795-7265
NSN 6150-01-322-7800
NSN 6650-01-420-6488
NSN 6620-00-635-7347
NSN 5895-00-410-9206
NSN 5985-00-231-6076
NSN 6240-00-952-1906