| BODY INSIDE DIAMETER | 1.750 INCHES MAXIMUM |
| BODY OVERALL HEIGHT | 1.310 INCHES NOMINAL |
| COMPONENT TYPE AND QUANTITY ACCOMMODATED | 2 CRYSTAL |
| CRYSTAL HOLDER DESIGNATOR | HC-6/U |
| DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
| HEATER ELEMENT OPERATING VOLTAGE RATING IN VOLTS AND TYPE | 24.0 AC MINIMUM AND 28.0 AC MAXIMUM AND 24.0 DC MINIMUM |
| INCLOSURE TYPE | INCLOSED |
| MAINTAINED OVEN CAVITY TEMP RATING | 75.0 CELSIUS |
| MAINTAINED TEMP TOLERANCE RATING | -2.5 TO 2.5 CELSIUS |
| OVERALL DIAMETER | 1.280 INCHES MINIMUM AND 1.340 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.340 INCHES MAXIMUM |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE |
| MOUNTING HOLE DIAMETER | 0.135 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |
| WIRE LEAD LENGTH | 3.000 INCHES NOMINAL |
| STYLE DESIGNATOR | SOLDER CONNECTED |
| TERMINAL TYPE AND QUANTITY | 7 WIRE LEAD |