| STYLE DESIGNATOR | RECTANGULAR FRAME TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 4 INCANDESCENT |
| MOUNTING METHOD | PANEL |
| MATERIAL | STEEL CORROSION RESISTING BODY |
| OVERALL LENGTH | 2.426 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| OVERALL WIDTH | 0.750 INCHES NOMINAL |
| LAMP INDUSTRY NUMBER | 387 |
| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP BASE TYPE ACCOMMODATED | MIDGET FLANGED |
| LENS QUANTITY | 1 |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS COLOR | WHITE SINGLE LIGHT 1ST POSITION HORIZONTAL |
| FILTER COLOR | YELLOW SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LIGHT COLOR | YELLOW SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| LENS LEGEND | BLGE WELL MMR1 PORT LEVEL HI SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LEGEND COLOR | BLACK SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| PANEL ACCOMMODATION HOLE WIDTH | 0.680 INCHES MINIMUM AND |
| 0.690 INCHES MAXIMUM |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.031 INCHES MINIMUM AND |
| 0.300 INCHES MAXIMUM |