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 5935-01-555-8193
NSN 2925-01-252-8049
NSN 5930-00-230-7492
NSN 5990-01-647-8574
NSN 5835-01-225-9819
NSN 5930-01-286-8042
NSN 5915-00-477-9962
NSN 6105-00-881-0650
NSN 2925-01-604-8984
NSN 5925-01-306-6994
NSN 6610-00-110-6942
NSN 6135-01-384-7155