| ACTUATION METHOD | FINGER WHEEL |
| CHARACTER TYPE | LETTERS AND NUMBERS |
| FINGER WHEEL HOLE QUANTITY | 10 |
| FSC APPLICATION DATA | TELETYPE AND TELEGRAPH EQUIP. |
| INSCRIPTION LOCATION | NUMBER PLATE |
| OVERALL DEPTH | 1.600 INCHES NOMINAL |
| OVERALL DIAMETER | 2.990 INCHES NOMINAL |
| MATERIAL | ALUMINUM OR STEEL NUMBER PLATE |
| MATERIAL | COPPER ALLOY FINGER WHEEL |
| MOUNTING CONFIGURATION | THREE 4-40 TAPPED MTG HOLES IRREGULARLY SPACED |
| PULSE SPEED ADJUSTABILITY | NONADJUSTABLE |
| PULSE SPEED PER SECOND | 10.0 NOMINAL |
| SHUNT SPRING CONTACT ARRANGEMENT | 1B1F |
| SPECIAL FEATURES | MOISTURE AND FUNGUS PROOF |
| SUPPLEMENTARY FEATURES | WHITE BACKGROUND ON NUMBER PLATE; BLACK ENAMEL ON FINGER WHEEL |