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 6320-01-342-4884
NSN 7035-01-380-6538
NSN 4140-00-857-9970
NSN 6320-01-350-5570
NSN 4140-00-073-4475
NSN 6620-01-165-1033
NSN 2925-00-132-1280
NSN 5920-01-650-1820
NSN 5920-01-395-4209
NSN 6240-00-454-9293
NSN 5915-01-444-4069
NSN 5998-01-183-6670