Consists of a rigid, box shaped outer panel, sound controlling batt, sound controlling board and/or sound controlling block. It may be with or without surface coating and/or perforations or voids to be exposed to the noise area to entrap and dissipate sound energy.
NSN 5965-01-326-0606
NSN 6610-00-004-2879
NSN 6610-01-107-2658
NSN 5945-01-364-2568
NSN 5998-01-049-6108
NSN 5935-00-055-3311
NSN 5945-00-163-4060
NSN 5996-00-755-6832
NSN 5990-01-582-1977
NSN 6145-00-931-2437
NSN 6320-01-202-8761
NSN 5905-01-122-5079