A light, rigid item composed of one or more kinds of granule and/or fiber with binder added, compressed to the desired density, and dried. It may be with or without surface coating and/or perforations or voids to be exposed to the noise area to entrap and dissipate sound energy, and is rated for this use. It is provided in lengths greater than 36 inches (914.4 mm).
Classification: Mixtures and articles of heat-insulating sound-absorbing mineral materials, nesoi
NSN 5925-00-267-3044
NSN 6105-01-253-2270
NSN 5998-00-447-1721
NSN 6685-00-947-7579
NSN 6650-00-071-0612
NSN 5920-00-700-2942
NSN 5996-00-123-4826
NSN 6105-01-316-6855
NSN 6610-01-344-7225
NSN 6110-00-542-2202
NSN 5998-00-762-2130
NSN 6105-01-437-9990