| CARTRIDGE DESIGN TYPE | HIGH EXPLOSIVE |
| CARTRIDGE MODEL NUMBER | M56A1 |
| DOD AMMUNITION CODE | 1315-C220 |
| FUZE MODEL NUMBER | M52A2 |
| FUZE TYPE | POINT DETONATING |
| IGNITION CARTRIDGE MODEL NUMBER | M6 |
| PERCUSSION PRIMER MODEL NUMBER | M34 |
| PROJECTILE FILLER TYPE | TRINITROTOLUENE, TNT |
| PROPELLING CHARGE MODEL NUMBER | M2A1 |
| PROPELLING CHARGE INCREMENT QUANTITY | 4 SINGLE CHARGE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ASSEMBLED W/M4A1 FIN ASSY AND AS DIFFERENTIATED BY W/FUZE AND PKG DATA |
| NONDEFINITIVE SPEC/STD DATA | A TYPE |
| WEAPON FOR WHICH DESIGNED | MORTAR, CANNON M1 AND MORTAR, CANNON M29 |