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 5915-01-496-3199
NSN 5990-01-541-5632
NSN 6620-01-324-7809
NSN 6130-01-345-1589
NSN 6685-00-484-2178
NSN 5910-00-437-5525
NSN 5960-00-816-9040
NSN 5930-01-184-7192
NSN 5920-00-942-7907
NSN 2925-00-118-4887
NSN 6220-01-003-3765
NSN 5985-01-193-8515