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M526 and M526A1
#WIP FUZES
Регіон
United States
Категорія
Ammunition, Missiles and precision weapons
Armament 60 mm HE, 81 mm HE and WP/Smoke ammunition with 2-12UNS-1A fuze well threads. Development By US Army Ordnance. Description The M526 and M526A1 fuzes are single-action, super-quick types with direct action firing mechanisms. Bore safety is provided by a slider-type interruptor that holds the detonator out of alignment with the firing pin and booster when in unarmed status. The slider is held in place by a bore riding pin which is, in turn, held in place by a setback pin. Upon firing, setback forces move
one setback pin to the rear, releasing the bore safety pin that is forced outward by its spring. As the bomb leaves the muzzle, the pin is ejected, partially releasing the slider. Acceleration also moves the second setback pin to the rear, releasing the wheel and pallet of a spring-loaded runaway escapement disk. This disk rotates 270º in approximately 3 seconds, releasing the spring-loaded firing pin that, in turn, releases the slider, which moves into and is locked in the armed position. Upon impact, the plunger carries the firing pin to the rear, where it functions the detonator. The M526A1 is identical to the M526, save for slight differences in the plunger and pull wire. The M525 and M526 fuzes are identical except for the thread adaptors and booster charges. Manufacturer US government contractors.