Cap held in place by wing-nut
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 6130-00-613-7448
NSN 6650-00-233-0705
NSN 6220-00-096-5018
NSN 5895-01-323-7269
NSN 6150-01-114-4889
NSN 5920-00-786-8241
NSN 6610-00-166-7406
NSN 5935-01-347-6515
NSN 5985-01-430-2131
NSN 6685-01-203-9667
NSN 5835-01-106-1456
NSN 6110-01-328-5258