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 5965-00-912-9318
NSN 5975-01-381-2763
NSN 6110-01-322-8514
NSN 5975-01-386-2875
NSN 5910-00-087-4315
NSN 5930-00-467-9188
NSN 5999-01-533-6547
NSN 5999-00-218-4743
NSN 5999-00-820-3339
NSN 6240-00-099-8606
NSN 5950-01-128-1135
NSN 5960-01-056-4982