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 6135-01-648-4875
NSN 6130-01-148-9080
NSN 5945-00-691-1575
NSN 5996-01-565-8951
NSN 6240-01-476-1612
NSN 5950-01-560-9879
NSN 6645-01-473-9179
NSN 6685-00-349-8943
NSN 6685-01-420-7407
NSN 7035-01-551-5533
NSN 6130-01-613-7688
NSN 6135-01-487-6275