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 5920-01-123-9854
NSN 5905-01-566-6390
NSN 4140-00-848-6245
NSN 7035-00-270-5519
NSN 5965-01-527-9330
NSN 5965-00-757-3403
NSN 6130-00-155-8526
NSN 4140-01-351-3892
NSN 5996-01-465-8459
NSN 4140-01-389-0595
NSN 5855-01-425-1330
NSN 6220-00-562-5964