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 7035-00-205-1932
NSN 6645-01-629-9657
NSN 6610-01-155-4060
NSN 5915-00-946-7769
NSN 5895-00-737-4831
NSN 6105-00-865-9085
NSN 5965-01-446-6945
NSN 5895-01-139-4272
NSN 6145-00-264-6277
NSN 5915-00-857-9188
NSN 4140-00-116-1022
NSN 4140-01-126-2582