| DOD AMMUNITION CODE | 1315-C029 |
| CARTRIDGE DESIGN TYPE | HIGH EXPLOSIVE ANTITANK |
| CARTRIDGE MODEL NUMBER | M66 |
| FUZE MODEL NUMBER | M62 OR M62A1 |
| FUZE TYPE | BASE DETONATING |
| MATERIAL | COPPER ALLOY CARTRIDGE CASE |
| MUZZLE VELOCITY | 1000.0 FEET PER SECOND NOMINAL |
| PROXIMITY FUZE ADAPTABILITY | NOT ADAPTABLE |
| PROJECTILE FILLER TYPE | PENTOLITE |
| PROPELLANT CHARACTERISTIC MARKINGS | NOT REQUIRED |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY,UNIT PACKAGE TYPE,AND PACKAGE MODEL NUMBER |
| WEAPON FOR WHICH DESIGNED | HOWITZER, CANNON M1A1 AND HOWITZER, CANNON M3 |
| SUPPLEMENTARY CHARGE | NOT INCLUDED |