M3 Medic / Corpsman Bag

M3 Medic / Corpsman Bag 
M3  1968 rubberized canvas
DSA 120 68 C 2919
6465 912 9870

Photo Credit : Here 

The easiest one to get will be the M3 tri foldout bag above.
Period ones are canvas and rubberised canvas (68 onwards).
Late war (72 onwards) they went to nylon.

Foto Credit : Here