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Japanese Bomb, 250 kg Ordinary, Type 99 No. 25 Model 1

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1397-057

Description

Gray overall with a green nose band and green tail struts. There are two thin red lines 180° apart along the length of the bomb. New type color markings will be found.

The body is constructed of one piece of machined forged steel. It is threaded in the nose to receive a fuze. The after end of the body is threaded internally to accommodate a male base plate. The base plate is drilled centrally to receive the tail fuze. A tail cone is secured to the base plate by six screws. The cone is empty and has three hinged doors to permit access to the tail fuze pocket in the base plate.

Four fins are welded to the tail cone and braced by a single set of box-type struts.

Hazardous Components

Filler - Type 91 (trinitroanisol) (132 lbs, 60 kg).

See Also

General Information, Japanese Navy Bombs

Nose, A-3(a), Type 97 Mk 2 Model 2

Nose, A-3(b), Type 1 Model 2

Tail, B-2(a), for Type 99 No. 25 Ordinary

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)