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 6135-01-100-3593
NSN 5975-01-555-7533
NSN 5985-01-545-8637
NSN 6685-01-458-5206
NSN 5895-00-288-1798
NSN 5925-01-386-3139
NSN 6685-01-281-6851
NSN 5999-01-462-1292
NSN 5990-01-565-2226
NSN 5895-01-554-5358
NSN 6240-01-166-1807
NSN 6135-01-633-8502