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 5945-00-452-0055
NSN 6110-01-073-0088
NSN 5975-01-022-5128
NSN 5998-01-329-7636
NSN 5999-01-594-0115
NSN 5905-00-425-7291
NSN 6645-01-213-1739
NSN 6610-01-487-4626
NSN 6620-01-468-0362
NSN 5945-01-242-9989
NSN 6650-00-450-8847
NSN 6645-01-281-7254