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 5925-01-100-3631
NSN 5975-01-413-6677
NSN 6240-01-536-7662
NSN 6620-01-561-2798
NSN 5935-01-298-0475
NSN 5996-01-148-9926
NSN 5985-01-255-1154
NSN 5999-00-666-3838
NSN 5990-01-395-4194
NSN 5835-01-079-6441
NSN 6240-00-010-1124
NSN 6240-01-643-9173