12-cm (120-mm) (4.7-Inch) High-Explosive (Ordinary Mod 2)12.7-cm (127-mm) (5-Inch) Complete Round (Fixed)
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 5 - Section 1
NAVY PROJECTILES
12-cm (120-mm) (4.7-Inch) Incendiary Projectile
Assembled round:
Weight of complete round: 75.66 pounds.
Length of complete round (with type 91 fuze): 41.15 inches (approximately).
Projectile:
Weight of filled projectile (without fuze): 44.97 inches.
Weight of empty projectile: 33.13 pounds.

Weight stamped on rotating band (sample): 15.06 kg. (varies with individual projectiles).

Dimensions:
Length of projectiles (without fuze): 13.95 inches.
Diameter at bourrelet: 4.6 inches (119.0 mm).
Distance from base to rotating band: 1.56 inches.
Width of rotating band: 1.9 inches.
Radius of ogive: 4 cal.
Filling:
Cast picric acid (shimose): 1.19 pounds.
Incendiary charge (W.P. and 48 steel pellets): 8.55 pounds.

The explosive charge consists of a block of explosive cast and sealed in a waxed-paper container, encased in a heavy cotton-flannel bag and sealed in the nose of the projectile with paraffin.

Fuzing:
Type 91 mechnical time fuze.
Type 88 point detonation fuzes.
Weapon in which used: Type 10 year 12 cm/45 dual-purpose gun.

Figure 394 – 12-cm Incendiary Shrapnel.

12-cm (120-mm) (4.7-Inch) High-Explosive (Ordinary Mod 2)12.7-cm (127-mm) (5-Inch) Complete Round (Fixed)