Description
Natural brass.
Brass except steel spring and steel firing pin.
The fuze is screwed into the nose of the bomb and tightened with a spanner wrench. A grub screw is usually present in the nose also.
The fuze body houses the striker and the arming spindle. Vanes are screwed onto the arming spindle which projects above the body. No shear wire is used. After arming, the striker is kept away from the gaine by means of a spring. A U-shaped wire secures the vanes during transit, and it is removed only after the fuze is in the plane. A stop stud is found on the body and on the vane cap, and these prevent the vanes from being jammed against the fuze body.
Fuze used in the following bomb types:
•15 kg anti personnel
•30 kg, 50 kg, 100 kg GPHE
•50 kg incendiary
•15 kg, 50 kg chemical
Functioning
Upon release from the plane, an arming wire is withdrawn from the holes in the vanes and the latter rotate and fall free. Upon impact with the ground, the striker is pushed in against the action of the spring and the firing pin pierces the primer which is located in the gaine.
Hazardous Components
This fuze has an Army gaine with the primer in the gaine. The striker enters the gaine, pierces the primer and sets off the exploder assembly.
Physical Data
Length, with vanes - 2.25 in (57 mm)
Width, overall - 1.68 in (43 mm)
See Also
Source(s)
OP 1667, Japanese Explosive Ordnance, Volume 1 (1946)
TM-E9-1984, Enemy Bombs and Fuzes, Section VII, Japanese Fuzes (1942)
