A safety mechanism for military fuzes. The mechansim includes a tab on the fuze rotating member adapted to extend over a portion of the rear fitting. A slider and an associated spring in the rear fitting normally prevents rotation of the arming shaft of the fuze. Movement of the slider to free the arming shaft is controlled by the tab. At conventional settings of the fuze, slider movement is not blocked by the tab and the slider is free to move into an annular groove in the fuze non-rotating member under the influence of the centrifugal force generated by projectile spin.
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