A flexible or semirigid material composed of one or more kinds of fiber with an added binder, manufactured in flat sheets or rolls. It is designed to entrap and dissipate sound energy, and must be rated for this use.
NSN 6110-00-422-2029
NSN 5855-01-302-2086
NSN 5998-00-566-7801
NSN 6320-01-094-2634
NSN 6610-00-939-5240
NSN 6105-01-056-8963
NSN 5930-01-449-1472
NSN 5985-00-717-8877
NSN 5965-01-352-4906
NSN 6105-00-426-5430
NSN 6650-00-116-7439
NSN 6650-01-585-1716