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 6135-00-500-2082
NSN 6135-00-182-7008
NSN 5965-01-136-7970
NSN 5999-01-381-6159
NSN 5910-00-160-1813
NSN 2925-01-156-9205
NSN 5855-01-539-4296
NSN 6645-01-025-1002
NSN 6685-01-247-4881
NSN 5985-01-191-2976
NSN 6145-01-596-3910
NSN 5895-01-219-6175