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 5985-00-287-6327
NSN 5930-00-188-7866
NSN 5930-00-059-4990
NSN 6135-01-167-7604
NSN 5835-01-119-8561
NSN 6150-00-912-5632
NSN 7035-00-763-6180
NSN 6145-01-068-3234
NSN 5985-00-145-9464
NSN 5975-00-539-7300
NSN 5895-01-601-1977
NSN 6220-00-849-6244