Original Japanese WWII Type 97 Inert Fragmentation Hand Grenade with Fuse & Detonator Tube - dated 1938

Item Description

Original Item: Only One Available. This is a great inert demilitarized genuine Japanese Type 97 Hand Grenade. This example is offered in very good condition, and is one of the most complete examples we have ever had! It still has a complete fuse, complete with the internal spring and plunger, as well as the cap, and the pin! This is still attached to the screw off top, which can be removed to inspect the interior. The brass detonator tube is also included around the fuse base, something we rarely see. There is even still the paper top cover included inside.

The grenade body still retains most of the original black paint, and the top screws off easily to inspect the interior. There is still some of the correct red paint on the top. The fuse on this example is actually marked with a Japanese date: 8 三 十 昭. This marking is written right to left, and would be read: SHOWA (current reigning emperor) Juu-San Nen (13th year of reign - 1938) 8th month (August).

There are also markings on the fuze in Japanese, which indicate the delay length: 四 - 五 秒, which is read "Yon - Go Byou", or 4-5 Seconds. To see the full markings the fuze must be unscrewed from the top.

The Type 97 Hand Grenade was the standard fragmentation hand grenade of the Imperial Japanese Army and Imperial Japanese Navy SNLF during the Second Sino-Japanese War and World War II.

A truly great example of a sought after WWII Japanese grenade! Ready to research and display!!

History and development
The Type 97 was developed from the earlier Type 91 Grenade which could also be used as a fragmentation hand grenade, but was predominately used as munitions for the Type 10, and Type 89 grenade launchers. For this reason, it had less explosive power and a relatively longer delay time than a dedicated manual hand grenade. To address these issues, the Army Technical Bureau developed a new design in 1937.

The Type 97 had the same principles as most of fragmentation grenades of the period: a grooved 'pineapple-shaped' segmented body which dispersed sharp pieces of shrapnel when it exploded. Operation was accomplished by first screwing down the firing pin, so that it protruded from the base of the striker. Then the safety pin was removed by pulling the cord to which it was attached; the protective cap which covered the striker was removed. A sharp blow against a hard surface, such as a rock or combat helmet would overcome a creep spring and crush a thin brass cap, allowing the pin to hit the primer and initiate the delay sequence before throwing at the target. However, in comparison with Allied hand grenades of the period, the explosive force of the Type 97 was weaker and, due to lack of an automatic ignition mechanism, the grenade in practice was found to be unreliable and even dangerous to use because of its inaccurate fuse.

Physically, the Type 97 was almost indistinguishable from the Type 91, except that it had no attachment on the base for a propellant canister. Paper labels with ink-stamped fill dates warned of the shorter 4-5 second delay.

Combat record
The Type 97 hand grenade was issued as standard equipment to Japanese infantrymen in the Second Sino-Japanese War and throughout the various campaigns of World War II.
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