| STYLE DESIGNATOR | RECTANGULAR FRAME TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 4 INCANDESCENT |
| MOUNTING METHOD | PANEL |
| TERMINAL TYPE AND QUANTITY | 5 SOLDER STUD |
| MATERIAL | STEEL CORROSION RESISTING BODY |
| OVERALL LENGTH | 1.812 INCHES NOMINAL |
| OVERALL HEIGHT | 0.960 INCHES NOMINAL |
| OVERALL WIDTH | 1.200 INCHES NOMINAL |
| LAMP INDUSTRY NUMBER | 387 |
| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP BASE TYPE ACCOMMODATED | MIDGET FLANGED |
| LENS QUANTITY | 1 |
| LENS MOUNTING METHOD | PUSH IN |
| LENS TYPE | FLAT, NARROW SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSPARENT 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 | COLORLESS SINGLE LIGHT 1ST POSITION HORIZONTAL |
| FILTER QUANTITY | 4 |
| FILTER COLOR | BLUE AND |
| YELLOW SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| TRANSMITTED LIGHT COLOR | BLUE AND |
| YELLOW SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| LENS LEGEND | TLM MSL;ON RAIL 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 | 1.115 INCHES NOMINAL |
| PANEL ACCOMMODATION HOLE HEIGHT | 0.875 INCHES NOMINAL |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.250 INCHES NOMINAL |
| MULTILAMP CIRCUIT TYPE | FOUR LAMP COMMON |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | RADIO FREQUENCY INTERFERENCE |
| FEATURES PROVIDED | REMOVABLE LIGHT FILTER |
| PRECIOUS MATERIAL | SILVER |
| PRECIOUS MATERIAL AND WEIGHT | 0.040 SILVER GRAINS, TROY |
| PRECIOUS MATERIAL AND LOCATION | SCREEN SILVER |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-PRF-22885 |