The Seimitsu H5-P is the cable used to connect the Seimitsu LS-01 series of joysticks, including LS-32-01, LS-40-01, LS-55-01 & LS-56-01. This cable just pushes on to the 5 pins on the joystick PCB. Snap-on connector and official Seimitsu colouring scheme.
This cable is also suitable for connecting Sanwa JLF series joysticks. When connecting the H5-P cable to a Sanwa joystick, you must rotate the white block end 180 degrees.