8-cm (76.2-mm (3-Inch) (Ordinary Mk 3 Mod 1) High-Explosive8-cm (76.2-mm) (3-Inch) Time Practice Projectile
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 5 - Section 1
NAVY PROJECTILES
8-cm (76.2-mm) (3-Inch) (Armor-Piercing Type 1) Special Common
Assembled round:
Weight of complete round: 21.04 inches.
Length of complete round: 25.31 inches.
Projectile:
Weight of filled projectile (with fuze): 12.70 pounds.
Weight, empty: 11.72 pounds.

Weight Stamped on Rotating Band (sample): 5.31 kg. (varies with individual projectiles).

Dimensions:
Length of projectile: 9.875 inches.
Diameter at bourrelet: 2.98 inches. (76.0 mm).
Distance from base to rotating band: 0.75 inch.
Width of rotating band: 1.0 inch.
Radius of ogive: 4 cal.
Filling: Trinitroanisole (type 91 explosive): 0.41 pound.

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

Fuzing: Type 1 fuze.
Weapon in which used:
Type 3-year 8-cm/40 dual-purpose gun.
Type 88 8-cm/40 dual-purpose gun.

Figure 378 – 8-cm (Armor-Piercing Type 1) Special Common.

8-cm (76.2-mm (3-Inch) (Ordinary Mk 3 Mod 1) High-Explosive8-cm (76.2-mm) (3-Inch) Time Practice Projectile