Nakajima 50А x BSP Female thread

Adaptor Nakajima in Brass:

Nakajima 50A (KA/LUG=72mm) x 2" BSP Female thread, Brass. IMPA 331882

Nakajima 50A (KA/LUG=72mm) x 1-1/2" BSP Female thread, Brass. IMPA