| BODY OVERALL HEIGHT | 2.454 INCHES MINIMUM AND 2.484 INCHES MAXIMUM |
| COMPONENT TYPE AND QUANTITY ACCOMMODATED | 2 CRYSTAL |
| CRYSTAL HOLDER DESIGNATOR | HC-13/U |
| HEATER ELEMENT OPERATING VOLTAGE RATING IN VOLTS AND TYPE | 110.0 AC MINIMUM AND 120.0 AC MAXIMUM AND 110.0 DC MINIMUM AND 120.0 DC MAXIMUM |
| INCLOSURE TYPE | INCLOSED |
| MAINTAINED OVEN CAVITY TEMP RATING | 75.0 CELSIUS |
| MAINTAINED TEMP TOLERANCE RATING | -2.0 TO 2.0 CELSIUS |
| OVERALL DIAMETER | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| OPERATING POWER DISSIPATING RATING IN WATTS | 10.0 |
| STYLE DESIGNATOR | OCTAL SOCKET |
| TERMINAL TYPE AND QUANTITY | 8 STANDARD TUBE BASE |