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 6220-01-091-9103
NSN 5930-01-283-4435
NSN 5945-01-196-8585
NSN 5990-01-517-7848
NSN 6610-00-452-9269
NSN 5945-01-487-2023
NSN 5920-01-445-6557
NSN 5855-01-286-2916
NSN 5965-01-411-9933
NSN 5905-01-505-7500
NSN 6135-01-433-2062
NSN 5910-01-213-8322