
Fuze M518A1 is a dual purpose mechanical time and impact fuze with superquick action for use with antiaircraft cartridges. It is essentially MTSQ fuze M502A1 less booster M21A4 plus booster M125A1. Fuze M518 is assembled with booster M125.
No information about functioning.
No information about hazardous components.
Nothing else to see.
MIL-HDBK-146, Fuze Catalog (1982)
TM 9-1300-203, Artillery Ammunition (1967)
TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)