| STYLE DESIGNATOR | ROUND FRAME, ROUND LENS TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 1 INCANDESCENT |
| MOUNTING METHOD | PANEL |
| TERMINAL TYPE AND QUANTITY | 3 SOLDER LUG |
| OVERALL LENGTH | 2.250 INCHES MAXIMUM |
| OVERALL DIAMETER | 0.750 INCHES MAXIMUM |
| LAMP BULB SIZE DESIGNATOR | T-3 1/4 |
| LAMP BASE TYPE ACCOMMODATED | MINIATURE BAYONET |
| LENS QUANTITY | 1 |
| LENS MOUNTING METHOD | SCREW ON |
| LENS TYPE | FLAT, KNURLED 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 SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.375 INCHES MAXIMUM |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | FUNGUS RESISTANT AND |
| DUSTTIGHT AND |
| HUMIDITY RESISTANT AND |
| SALT SPRAY RESISTANT AND |
| VIBRATION RESISTANT |
| FURNISHED ITEMS AND QUANTITY | 2 HEXAGON NUT AND |
| 1 LAMP AND |
| 1 LOCK WASHER |
| FEATURES PROVIDED | PRESS TO TEST |
| SPECIAL FEATURES | PRESS TO TEST ENGRAVED ON HOLDER |
| CRITICALITY CODE JUSTIFICATION | CBBL |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-L-7961 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS25331-6-313 |