This standard specifies the specifications, technical requirements, quality assurance, test methods and inspection rules of precious metals and their alloy plates and strips used in aviation. This standard is applicable to precious metals and their alloy plates and strips used in manufacturing contacts, commutator segments and conductive sheets in aviation instruments, electrical and other fields.
HB 5190-1996 history
1996HB 5190-1996 Precious metals and their alloy plates and strips for aviation
1970HB 5190-1981 Precious metals and their alloy plates and strips for aviation