| STYLE DESIGNATOR | RECTANGULAR FRAME TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 4 INCANDESCENT |
| MOUNTING METHOD | PANEL |
| TERMINAL TYPE AND QUANTITY | 4 SOLDER STUD |
| MATERIAL | STEEL CORROSION RESISTING BODY |
| OVERALL LENGTH | 2.470 INCHES NOMINAL |
| OVERALL HEIGHT | 0.875 INCHES NOMINAL |
| OVERALL WIDTH | 0.875 INCHES NOMINAL |
| LAMP INDUSTRY NUMBER | MS25237-387 |
| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP BASE TYPE ACCOMMODATED | MIDGET FLANGED |
| TRANSMITTED LIGHT COLOR | COLORLESS SINGLE LIGHT 1ST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION A |
| GREEN, AVIATION SINGLE LIGHT 1ST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION B |
| LENS LEGEND | AHI OFF (AVAIL) SINGLE LIGHT 1ST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION A |
| AHI ON SINGLE LIGHT 1ST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION B |
| TRANSMITTED LEGEND COLOR | WHITE SINGLE LIGHT 1ST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION A |
| BLACK, OPAQUE SINGLE LIGHT 1ST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION B |
| PANEL ACCOMMODATION HOLE WIDTH | 0.770 INCHES NOMINAL |
| PANEL ACCOMMODATION HOLE HEIGHT | 0.770 INCHES NOMINAL |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.062 INCHES MINIMUM AND |
| 0.250 INCHES MAXIMUM |
| MULTILAMP CIRCUIT TYPE | HORIZONTAL SPLIT |
| PRECIOUS MATERIAL AND LOCATION | CONTACT MATERIAL GOLD |
| SPECIAL FEATURES | COMPLETE ASSEMBLY WITH SWITCH TYPE MOMENTARY ACTION; WHEN ACTUATED BY DEPRESSING CAP, SWITCH CONTACTS ARE MAINTAINED UNTIL CAP IS RELEASED |