12-cm (120-mm) (4.7-Inch) High-Explosive (Ordinary Mk 4)12-cm (120-mm) (4.7-Inch) Illuminating Projectile
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 5 - Section 1
NAVY PROJECTILES
12-cm (120-mm) (4.7-Inch) Common Projectile
Weight of filled projectile (with fuze): 45.12 pounds.
Weight of empty projectile: 40.56 pounds.
Length of projectile: 16.39 inches.
Diameter at bourrelet: 4.7 inches (119.5 mm).
Distance from base to rotating band: 1.19 inches.
Width of rotating band: 1.25 inches.
Radius of ogive: No data.
Filling: Picric acid (shimose): No data.
Fuzing: Type 3-year Mk 1 base fuze.
Weapons in which used:
British type 12-cm gun (low angle).
Type 3-year 12-cm/45 gun (low angle).
Type 11-year 12-cm/45 gun (low angle).

Figure 388 – 12-cm Common.

12-cm (120-mm) (4.7-Inch) High-Explosive (Ordinary Mk 4)12-cm (120-mm) (4.7-Inch) Illuminating Projectile