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 6320-01-260-4301
NSN 5945-01-177-9653
NSN 7035-01-492-9466
NSN 6320-00-242-3300
NSN 6150-01-176-6852
NSN 5945-00-541-7833
NSN 6145-00-234-0251
NSN 4140-00-205-0853
NSN 5990-01-517-7848
NSN 4140-00-368-4261
NSN 5930-01-320-2544
NSN 5999-00-989-5685