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 6610-00-288-5655
NSN 5950-01-145-3395
NSN 6650-01-549-4383
NSN 5935-01-123-3820
NSN 6150-00-081-7216
NSN 5925-01-601-2724
NSN 5930-01-194-9317
NSN 2925-01-643-8395
NSN 5998-01-086-0757
NSN 5855-00-013-1244
NSN 6145-01-634-0388
NSN 5835-01-462-5983