I'm not pretending to be a Guru but the following standards may cover what you are looking for,
DO-160E, Environmental Conditions and Test Procedures for Airborne Equipment
Issued 12-09-04 s Supersedes DO-160D, Changes 1, 2 & 3 s Prepared by SC-135
Standard procedures and environmental test criteria for testing airborne equipment for the entire spectrum of aircraft from light general aviation aircraft and helicopters through the “Jumbo Jets” and SST categories of aircraft. The document includes 26 Sections and three Appendices. Examples of tests covered include vibration, power input, radio frequency susceptibility, lightning, and electrostatic discharge. Coordinated with EUROCAE, RTCA/DO-160E and EUROCAE/ED-14E are identically worded. This revision updates 22 Sections and adds one new Section – Fire, Flammability.
DO-160E is recognized by the International Organization for Standardization (ISO) as de facto international standard ISO-7137.
TMAB