
This fuze used in the cartridge M384, has a mechanical escapement arming delay to provide a minimum arming distance of 60 feet from the launcher muzzle. Detonation will occur at angles of impact from 90 degrees to a low graze angle.
No information about functioning.
Cartridge, 40mm Smoke WP, XM574E2
TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)