| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP INDUSTRY NUMBER | 327 |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 1 INCANDESCENT |
| LENS FACE SURFACE CONDITION | SMOOTH SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS LEGEND | 4 SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| LENS BACK SURFACE CONDITION | SMOOTH SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS COLOR | BLACK SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS MOUNTING METHOD | SCREW ON |
| LENS QUANTITY | 1 |
| LENS TYPE | FLAT, KNURLED, THREADED SHANK SINGLE LIGHT 1ST POSITION HORIZONTAL |
| OVERALL DIAMETER | 0.578 INCHES NOMINAL |
| OVERALL LENGTH | 1.438 INCHES NOMINAL |
| PANEL ACCOMMODATION HOLE DIAMETER | 0.469 INCHES NOMINAL |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.250 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY BODY |
| MOUNTING METHOD | PANEL |
| STYLE DESIGNATOR | ROUND FRAME, ROUND LENS TYPE |
| SURFACE TREATMENT | NICKEL BODY |
| TERMINAL TYPE AND QUANTITY | 2 SOLDER LUG |
| TRANSMITTED LEGEND COLOR | WHITE SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LIGHT COLOR | BLACK SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |