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Japanese Bomb, 1 kg Hollow Charge

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1397-085

Description

Body is a natural steel color. The tail assembly is aluminum colored.

The body is constructed of tubular steel. An aluminum nose cap and hollow metal cone are crimped into the nose. The fuze and tail assembly are threaded into the base of the body.

Four fins are soldered to the tail cone and braced at the after end by a circular strut. The tail cone is secured to the fuze body by four small screws.

The arming system consists of arming vanes at the after end of the tail connected to the inertia weight by a threaded reach rod which passes through the tail cone. A spring loaded safety detent which fits into the inertia weight is located on the side of the tail cone and is held in the safe position by an arming wire. A thin metal disk attached to the arming wire is placed on top of the arming vanes. It prevents the vanes from rotating and acts as a drogue to withdraw the arming wire when the bomb is released.

Hazardous Components

Filler is Type 98 (TNT 70%, HND 30%). Tetryl booster. Filler weight is 11 oz, 0.31 kg.

See Also

General Information, Japanese Navy Bombs

Tail, B-5(b)

Source(s)

TM 9-1985-4, Japanese Explosive Ordnance (Bombs, Bomb Fuzes, Land Mines, Grenades, Firing Devices and Sabotage Devices) (1953)

OP 1667, Japanese Explosive Ordnance, Volume 1 (1946)