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 5945-01-427-3790
NSN 5855-01-054-9014
NSN 5945-01-449-0288
NSN 5855-00-688-9954
NSN 5985-01-371-4699
NSN 5990-00-665-4105
NSN 6645-01-031-6402
NSN 6240-00-011-5273
NSN 6685-00-119-4406
NSN 5855-00-494-9581
NSN 5985-01-613-4081
NSN 7035-01-011-3760