| LAMP BULB SIZE DESIGNATOR | T-1 |
| LAMP INDUSTRY NUMBER | 685 |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 1 INCANDESCENT |
| LENS LEGEND | 7 SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| LENS COLOR | RED SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS QUANTITY | 1 |
| OVERALL LENGTH | 0.690 INCHES NOMINAL |
| PANEL ACCOMMODATION HOLE DIAMETER | 0.312 INCHES NOMINAL |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.160 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY BODY |
| MOUNTING METHOD | PANEL |
| STYLE DESIGNATOR | ROUND FRAME, ROUND LENS TYPE |
| SURFACE TREATMENT | NICKEL BODY |
| TERMINAL TYPE AND QUANTITY | 1 SOLDER LUG AND 1 SOLDER STUD |
| TRANSMITTED LIGHT COLOR | RED SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LEGEND COLOR | BLACK SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |