| EXTRA LONG REFERENCE NUMBER | 520-1291-03-002 AND 520-1371-100 MARKED 115V 400HZ AND 520-1371-100 MARKED 27V DC |
| LAMP BASE TYPE ACCOMMODATED | MIDGET FLANGED |
| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 4 INCANDESCENT |
| LENS BACK SURFACE CONDITION | SMOOTH SINGLE ROW 1ST POSITION VERTICAL |
| LENS BACK SURFACE CONDITION | SMOOTH SINGLE ROW 2ND POSITION VERTICAL |
| LENS COLOR | RED SINGLE ROW 1ST POSITION VERTICAL |
| LENS COLOR | RED SINGLE ROW 2ND POSITION VERTICAL |
| LENS FACE SURFACE CONDITION | SMOOTH SINGLE ROW 1ST POSITION VERTICAL |
| LENS FACE SURFACE CONDITION | SMOOTH SINGLE ROW 2ND POSITION VERTICAL |
| LENS LEGEND | 115V 400HZ SINGLE ROW 1ST POSITION VERTICAL FULL DISPLAY DIVISION A |
| LENS LEGEND | 27V DC SINGLE ROW 2ND POSITION VERTICAL FULL DISPLAY DIVISION A |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT SINGLE ROW 1ST POSITION VERTICAL |
| LENS LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT SINGLE ROW 2ND POSITION VERTICAL |
| LENS QUANTITY | 2 |
| LENS TYPE | FLAT, RECTANGULAR SINGLE ROW 1ST POSITION VERTICAL |
| LENS TYPE | FLAT, RECTANGULAR SINGLE ROW 2ND POSITION VERTICAL |
| OVERALL HEIGHT | 1.475 INCHES MAXIMUM |
| OVERALL LENGTH | 1.040 INCHES NOMINAL |
| OVERALL WIDTH | 2.030 INCHES NOMINAL |
| MATERIAL | ALUMINUM BODY |
| MOUNTING METHOD | BRACKET |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| STYLE DESIGNATOR | SINGLE STRIP TYPE |
| SURFACE TREATMENT | ANODIZE BODY |
| TERMINAL TYPE AND QUANTITY | 4 SOLDER LUG |
| TRANSMITTED LIGHT COLOR | RED SINGLE ROW 1ST POSITION VERTICAL FULL DISPLAY DIVISION A |
| TRANSMITTED LIGHT COLOR | RED SINGLE ROW 2ND POSITION VERTICAL FULL DISPLAY DIVISION A |
| TRANSMITTED LEGEND COLOR | WHITE SINGLE ROW 1ST POSITION VERTICAL FULL DISPLAY DIVISION A |
| TRANSMITTED LEGEND COLOR | WHITE SINGLE ROW 2ND POSITION VERTICAL FULL DISPLAY DIVISION A |