
The fuze consists of a nose and a fuze body, held firmly together by a metal jacket, which is crimped over at both ends, and separated from each other by a thin metal disc. The firing pin and firing pin detents are assembled in the nose portion, while the lower body portion of the fuze contains the rotor detent, rotor, detonator, and booster. The booster is held in the base of the fuze body by a metal closing disc, which is secured in position by the crimped over ends of the fuze body.
The Point Detonating Fuze Mk 12 Mod 1 is identical to the Mk 12, except that an extra striker support piece is set in a groove in the nose. Mods 0 and 1 are now obsolete. Mods 2 and 3 differ from Mod 1 in that the striker is held in the nose assembly by crimping over the end of the nose. In the modified Mk 12 (Mods 2 and 3), to decrease the sensitivity of the fuze, a washer has been placed above the firing pin, and the firing pin has been crimped above the washer. Thus on impact, both the crimp and the washer must be broken.
No information about functioning.
No information about hazardous components.
Nothing else to see.
OP 1664, Volume 1 - US Explosive Ordnance (1947)