Alexandre,
ytou can find the information in monograms book of japanese aircraft interiors. Ther are two variants of thr dinah and I recon that the interior of the fighter is not much different. you can also xheck out the following site http://j-aircraft.com/walk/walkarou.htm also checkhttp://www.j-aircraft.com/ or http://www.preservedaxisaircraft.com/
hope this of some help. If you can't find the information you need let me know and I can scan the picture for you and send by e-mail