| STYLE DESIGNATOR | RECTANGULAR FRAME TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 2 INCANDESCENT |
| MOUNTING METHOD | BRACKET |
| TERMINAL TYPE AND QUANTITY | 2 SOLDER LUG |
| OVERALL LENGTH | 1.500 INCHES NOMINAL |
| OVERALL HEIGHT | 0.678 INCHES MINIMUM AND |
| 0.698 INCHES MAXIMUM |
| OVERALL WIDTH | 0.437 INCHES NOMINAL |
| LAMP INDUSTRY NUMBER | 387 |
| LAMP BULB SIZE DESIGNATOR | T-3 1/4 |
| LAMP BASE TYPE ACCOMMODATED | MINIATURE BAYONET |
| LENS QUANTITY | 1 |
| LENS MOUNTING METHOD | PUSH IN |
| LENS TYPE | FLAT, RECTANGULAR SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS FACE SURFACE CONDITION | SMOOTH SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS BACK SURFACE CONDITION | SMOOTH SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS COLOR | GRAY/GREY SINGLE LIGHT 1ST POSITION HORIZONTAL |
| FILTER QUANTITY | 1 |
| FILTER COLOR | RED, AVIATION SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LIGHT COLOR | RED, AVIATION SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| LENS LEGEND | S;P;N SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LEGEND COLOR | BLACK SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | DUSTTIGHT AND |
| ELECTROMAGNETIC RADIATION SUPPRESSIVE AND |
| FUNGUS RESISTANT AND |
| HUMIDITY RESISTANT AND |
| VIBRATION RESISTANT AND |
| WATERTIGHT AND |
| SHOCK RESISTANT |
| SPECIAL FEATURES | INDICATOR SHALL BE KEYED SO THE LEGEND SHALL READ TOP TO BOTTOM; OPERATES AT 0 TO 70000 FT ALTITUDE |