
Bomb is grey overall with a red tipped nose and a blue band aft of the red band. There is a yellow band and white band forward of the suspension lug and a yellow band aft of the suspension lug.
This is a fin stabilized, chemical filled bomb. The nose contains a picric acid burster charge. The chemical filler is a 50/50 Lewisite mustard gas mixture. A tail cone is welded to the after end of the body, the body and tail cavity is filled with liquid gas. A central burster charge container is threaded into the forward end of the body. It houses a firing pin, detonator, booster and a picric acid burster charge. Four steel fins are welded to the tail cone and are braced by two sets of tubular struts.
50/50 Lewisite - mustard gas mixture (50 lbs, 22.7 kg)
Picric acid burster charge
General Information, Japanese Army Bombs
Nose, A-2(a), Type 93 Instantaneous
Nose, A-2(b), Type 12 Year Instantaneous
Nose, A-2(c), Type 99 Instantaneous - Short Delay
Old Chemical Weapons Reference Guide (1998)
OP 1667, Japanese Explosive Ordnance, Volume 1 (1946)