A material composed of one or more kinds of fiber without binder added, manufactured in flat sheets or rolls. It is designed to entrap and dissipate sound energy, and must be rated for this use.
NSN 5905-00-735-5391
NSN 6645-00-330-2813
NSN 5990-01-322-9781
NSN 6240-00-344-8582
NSN 5905-01-623-8697
NSN 7035-00-782-7046
NSN 6130-01-209-5430
NSN 5960-01-331-3817
NSN 4140-01-089-0465
NSN 6320-00-590-9342
NSN 6650-00-518-5194
NSN 5915-00-339-6131