MIL-A-24699, MILITARY SPECIFICATION: ACOUSTICAL TRANSMISSION LOSS BARRIER MATERIAL (24-FEB-1988) [S/S BY MIL-PRF-24699A]
MIL-A-24699, MILITARY SPECIFICATION: ACOUSTICAL TRANSMISSION LOSS BARRIER MATERIAL (24-FEB-1988) [S/S BY MIL-PRF-24699A]., This specification covers the requirements for two types of acoustical transmission loss barrier material (see 6.1).