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.
Classification: Parts & accessories for direction finding compasses and other navigational instruments and appliances
NSN 5960-01-075-4773
NSN 5996-00-407-7103
NSN 5915-01-425-8615
NSN 5895-01-513-0411
NSN 5930-01-398-9576
NSN 6620-01-625-2855
NSN 5985-00-081-0163
NSN 6240-00-915-1705
NSN 6145-00-225-8709
NSN 5998-00-203-1232
NSN 5965-01-143-9577
NSN 5910-00-932-3229