Type 0 Mechanical Time Fuze40-mm Base Fuze
Japanese Explosive Ordnance – Army Ammunition – Navy Ammunition
Chapter 5 - Section 4
NAVY PROJECTILE FUZES
Type 98 - Mechanical Time Fuze
Use: 10-cm ordinary (fixed).
Over-all length: 4 15/16 inches.
Maximum diameter: 2 15/16 inches.
Threaded length: 1/2 inch.

Construction: This fuze is similar to the type 91 Mod 1, bus is longer in order to conform to the ogive of the projectiles it is used in. It incorporates the automatic gear setting ring and flash shutter in the basal portion that is found in the type 0 fuze. It is gradua-ted from 0 – 45 seconds in increments of 1 second.

Operation: The operation is identical to the type 0 fuze.

Figure 446 – Type 98 Mechanical Time Fuze.

Type 0 Mechanical Time Fuze40-mm Base Fuze