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| Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition |
| Chapter 4 – Section 1 |
| ARMY PROJECTILES |
| 9-cm (90-mm) High-Explosive Semisteel Projectile |
| Weight of projectile, filled: 7.86 kg. (17.3 pounds). |
| Weight of filling: 0.65 kg. (1.42 pounds). |
| Filling: TNT. |
| Diameter at bourrelet: 90 mm (3 17/32 inches). |
| Length over-all (without fuze): 263.5 mm (10 3/8 inches). |
| Length of protruding from case (without fuze): 246.1 mm (9 11/16 inches). |
| Width of rotating band: 15.9 mm (5/8 inch). |
| Fuzing: |
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Type 88 instantaneous nose fuze (howitzer-mortar type). |
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Type 88 short-delay nose fuze (howitzer-mortar type). |
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Weapons in which used: This is an antiquated weapon classified as a mortar by the Ja-panese by virtue of length of thube, muzzle velocity, etc., but bearing only a remote re-semblance to other Japanese mortars. It is breech-loading, using an interrupted thread breechblock, and employing projectiles embodying the conventional features of design of common breech-loading artillery pieces. |
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Remarks: The projectiles is painted black over-all, with a 1/2 inch green or yellow band before the rotating band. The fuze adapter is painted red. |
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Figure 271 – 9-cm High-Explosive Semisteel Projectile. |
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