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 6130-00-587-6104
NSN 5996-01-297-1564
NSN 5910-00-692-7865
NSN 5998-01-317-3763
NSN 5996-00-065-8376
NSN 6150-01-257-8395
NSN 5999-01-130-5585
NSN 6645-01-281-4842
NSN 6105-01-075-2772
NSN 7035-00-834-2090
NSN 5920-00-740-3121
NSN 6145-01-099-0448