Most, if not all, aircraft manufacturers had the internal specifications for standard parts including, in many cases common parts like nuts bolts and fittings. Some manufacturers used industry standard parts like AC and AN parts. Some used a mix.
My first post is Lockheed Specs. I bought...
Otaki represents the model of the canopy version ki-type 5 100ib hunting, Otsu Ki-100-1. They were issued with two different representations, both from the same kit (one called the plane of the Ki-100 "Goshiki"). Arii who later took over from Otaki, issued the same Ki-100 kit "Goshikisen,"...