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 5998-00-939-6337
NSN 6645-00-664-4665
NSN 6110-00-575-9795
NSN 5895-01-009-3463
NSN 5925-00-005-3694
NSN 5905-00-185-6237
NSN 5930-01-009-9239
NSN 5985-01-113-7837
NSN 4140-01-218-5919
NSN 6650-01-553-2805
NSN 6220-01-524-0461
NSN 5855-01-040-0107