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 6220-00-180-4589
NSN 6145-01-445-7167
NSN 6110-01-058-2476
NSN 5895-00-051-0464
NSN 4140-00-099-9205
NSN 6145-00-291-5388
NSN 5996-01-193-5974
NSN 5998-01-384-3271
NSN 5905-00-472-0436
NSN 5985-00-291-1140
NSN 6220-00-150-0039
NSN 5965-01-633-8849