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Ordnance, Explosives, and Related Items

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Proximity, M516 (T73E12), M516A1 (T73E10), M516B1 (T73E13), M516B2 (T73E14)

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Description

These fuzes are provided for use with 75mm HE cartridges against airborne targets.

No time settings are provided for the fuze. Bore safety is provided by an arming switch which delays arming of the fuze for a preset time. A self destruction (SD) element is also incorporated. The self destruction switch causes the armed fuze to detonate when the spin of the projectile drops to a preset value. This feature of the fuze is intended to detonate the projectile sufficiently high during the descending phase of the trajectory to prevent injury to friendly troops and damage to friendly installations. Fuze M516A1 (T73E10) incorporates an impact element in the nose, which becomes armed within 400 to 750 feet from the muzzle of the weapon. The proximity element of fuzes M516 series becomes armed at approximately 0.8 second after leaving the muzzle of the weapon.

Functioning

No information about functioning.

See Also

Proximity, T279

Source(s)

MIL-HDBK-146, Fuze Catalog (1982)

TM 9-1300-203, Artillery Ammunition (1967)

TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)