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 5996-01-121-8430
NSN 5950-01-634-0677
NSN 6130-01-257-0942
NSN 6150-01-466-1334
NSN 5930-00-111-1369
NSN 5930-00-234-6870
NSN 6150-00-221-2593
NSN 6110-01-481-8191
NSN 5985-01-128-8004
NSN 5855-01-602-9653
NSN 6610-01-464-3037
NSN 2925-01-094-4771