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 5925-01-358-6473
NSN 6240-01-368-3280
NSN 6610-00-527-8892
NSN 6645-00-467-6094
NSN 6145-00-832-5323
NSN 5960-01-116-2092
NSN 5990-00-861-7986
NSN 5985-01-442-7661
NSN 6130-01-565-1284
NSN 6220-01-442-3354
NSN 5990-01-367-7804
NSN 6130-00-037-9625