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 5960-00-443-9452
NSN 5960-01-505-2426
NSN 5925-01-214-8249
NSN 6145-01-064-8818
NSN 6685-01-101-9005
NSN 5930-01-193-1550
NSN 6135-00-050-7189
NSN 5985-01-378-8354
NSN 5975-01-023-6897
NSN 5950-01-455-4888
NSN 5925-01-395-1971
NSN 6645-00-139-9239