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 6685-01-546-6967
NSN 6240-01-482-9349
NSN 5996-00-572-3762
NSN 5985-01-644-4237
NSN 6220-00-366-1670
NSN 5996-00-456-1903
NSN 5920-01-512-8586
NSN 6685-00-078-0098
NSN 6645-00-115-6657
NSN 5950-00-321-1723
NSN 6620-01-217-3216
NSN 6650-01-406-4959