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 2925-01-125-2973
NSN 6110-01-324-6916
NSN 6610-01-307-3192
NSN 5920-00-060-1118
NSN 6145-01-272-3365
NSN 5930-01-216-7581
NSN 5905-00-840-7286
NSN 6145-01-401-3713
NSN 5985-01-425-0285
NSN 6130-00-962-8445
NSN 6110-01-441-8353
NSN 5835-00-907-0777