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 5945-00-322-9454
NSN 5910-01-512-8782
NSN 5925-01-227-5536
NSN 5990-00-564-9442
NSN 5960-00-233-7537
NSN 5920-01-431-8683
NSN 5910-01-483-1096
NSN 5915-01-174-6595
NSN 5905-00-471-1955
NSN 6105-01-284-4426
NSN 5935-00-224-6020
NSN 5925-01-485-9235