| STYLE DESIGNATOR | ROUND FRAME, RECTANGULAR LENS TYPE |
| OVERALL HEIGHT | 0.658 INCHES NOMINAL |
| OVERALL WIDTH | 0.658 INCHES NOMINAL |
| MATERIAL | PLASTIC BODY |
| LAMP INDUSTRY NUMBER | T-1 3/4, 6 VOLT, MIDGET FLANGED BASE |
| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP BASE TYPE ACCOMMODATED | MIDGET FLANGED |
| LENS QUANTITY | 1 |
| LENS MOUNTING METHOD | PUSH ON |
| LENS TYPE | FLAT, RECTANGULAR, FRAMED 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 | RED SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS LEGEND | APU FIRE SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| MOUNTING METHOD | FRICTION |
| TERMINAL TYPE AND QUANTITY | 2 QUICK DISCONNECT, FEMALE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SWITCH ASSEMBLY, LATCHING INTERLOCKING |