51214071=SCREW 4-40 7/16 RD HD
BH315 (FAA/PMA)=OVERALL-RELAY
DHR16D1=RELAY
RA3100T=REMOTE POWER CONTROLLER
51804014=WASHER-LOCK #4 .035X.
51205411=SCREW 5-40 1-3/8 RD H
4974005=COIL
TE Connectivity DH25CM=RELAY
37787010=P C BOARD ASSM