Description
Point Detonating Fuze M521 is of the superquick, delayed arming type used with WP Smoke cartridges, fired from 4.2 inch mortars. The fuze can be set for a 0.05 second delay or superquick action.
The head contains a superquick (SQ) element consisting of firing pin, firing pin support and detonator. An ogive exterior shell supports the SQ element and the flash tube to the fuze body. The body contains a setting sleeve with flash tube interrupter, and delay assembly M1 consisting of plunger, firing pin, primer, black powder delay charge, and relay charge.
Functioning
No information about functioning.
Hazardous Components
No information about hazardous components.
See Also
Nothing else to see.
Source(s)
TM 43-0001-28, Artillery Ammunition (chg 11, 2003)
TM 9-1300-203, Artillery Ammunition (1967)
TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)
