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 5990-00-471-9767
NSN 5895-00-888-4719
NSN 6145-01-085-5556
NSN 6220-01-395-6909
NSN 6150-01-047-7716
NSN 5915-01-435-5275
NSN 6105-01-275-2768
NSN 5910-00-081-8526
NSN 6240-01-317-8783
NSN 5895-00-815-7905
NSN 4140-01-451-7829
NSN 5950-01-229-7484