
The fuze is a single action type with a direct action firing device. The body mechanism therein is identical with that of M52 series fuzes, except that the guide pin in fuze M53A1 serves as both a lock pin and guide pin.
No information about functioning.
MIL-HDBK-146, Fuze Catalog (1982)
TM 9-1300-203, Artillery Ammunition (1967)
TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)
TM 9-1904, Ammunition Inspection Guide (1944)