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 5999-00-435-6984
NSN 5996-01-355-2834
NSN 6240-01-203-2107
NSN 6685-01-346-6711
NSN 5950-01-189-3194
NSN 5990-01-302-3733
NSN 5905-00-972-9860
NSN 6145-01-646-6012
NSN 6150-00-812-7928
NSN 6240-00-471-5399
NSN 6645-01-148-4703
NSN 6610-01-361-5784