| STYLE DESIGNATOR | ROUND FRAME, ROUND LENS TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 1 NEON |
| MOUNTING METHOD | PANEL |
| TERMINAL TYPE AND QUANTITY | 2 SOLDER LUG |
| OVERALL LENGTH | 1.628 INCHES MAXIMUM |
| OVERALL DIAMETER | 0.548 INCHES MINIMUM AND |
| 0.553 INCHES MAXIMUM |
| LAMP INDUSTRY NUMBER | C7A |
| LAMP BULB SIZE DESIGNATOR | T-2 |
| LAMP BASE TYPE ACCOMMODATED | MIDGET FLANGED |
| LENS QUANTITY | 1 |
| LENS MOUNTING METHOD | SCREW IN |
| LENS TYPE | STOVEPIPE, LONG SHANK 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 | RED SINGLE LIGHT 1ST POSITION HORIZONTAL |
| TRANSMITTED LIGHT COLOR | RED 1ST ROW 11TH POSITION VERTICAL VERTICAL SPLIT DISPLAY DIVISION A |
| PANEL ACCOMMODATION HOLE DIAMETER | 0.468 INCHES MINIMUM AND |
| 0.472 INCHES MAXIMUM |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.188 INCHES MAXIMUM |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | DUSTTIGHT AND |
| ELECTROMAGNETIC RADIATION SUPPRESSIVE |
| FURNISHED ITEMS AND QUANTITY | 1 HEXAGON NUT AND |
| 1 LOCK WASHER |
| SPEC/STD CONTROLLING DATA | |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | LH74/3LC28RN2 |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-L-3661 |