Conn USB Type A RCP 4Signal/1Sensor POS Solder RA SMD 5 Terminal 1 Port T/R

Conn USB 2.0 Type A RCP 4 POS 2mm Solder RA Thru-Hole 4 Terminal 1 Port Tube

Switch Push Button Round Button 10A 115VAC 28VDC Momentary Contact Screw Panel Mount
CONNECTOR, 50 CONTACT(S), FEMALE, BOARD STACKING CONNECTOR, IDC, RECEPTACLE