Part Number: PA-DSO-2403-D420-24/2
Description:
24 pin DIP 0.3" board and two 24 pin 0.420" plugs.
Price: ￥7,900
PDF Datasheet: dip-so.pdf

Top Side; Pins: 24 Pitch: 0.100"
Bottom Side; Pins: 24 Pitch: 0.050"