| STYLE DESIGNATOR | SHELL FRAME TYPE |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 1 INCANDESCENT |
| MOUNTING METHOD | PANEL |
| TERMINAL TYPE AND QUANTITY | 2 TAB, SOLDER LUG |
| MATERIAL | COPPER ALLOY BODY |
| OVERALL LENGTH | 2.406 INCHES NOMINAL |
| OVERALL DIAMETER | 0.938 INCHES NOMINAL |
| SURFACE TREATMENT | NICKEL BODY |
| LAMP BULB SIZE DESIGNATOR | T-1 3/4 |
| LAMP BASE TYPE ACCOMMODATED | MINIATURE BAYONET |
| LENS QUANTITY | 1 |
| LENS MOUNTING METHOD | SCREW ON |
| LENS TYPE | CONVEX, SMALL BUBBLE 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 | FROSTED SINGLE LIGHT 1ST POSITION HORIZONTAL |
| LENS COLOR | AMBER SINGLE LIGHT 1ST POSITION HORIZONTAL |
| TRANSMITTED LIGHT COLOR | AMBER SINGLE LIGHT 1ST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| PANEL ACCOMMODATION HOLE DIAMETER | 0.688 INCHES NOMINAL |
| PANEL THICKNESS FOR WHICH DESIGNED | 0.344 INCHES NOMINAL |
| FURNISHED ITEMS AND QUANTITY | 1 HEXAGON NUT AND |
| 1 LOCK WASHER |
| FEATURES PROVIDED | DIMMING DEVICE AND |
| BLACKOUT DEGREE, COMPLETE |
| SPECIAL FEATURES | DIMMING DEVICE TYPE,MECHANICAL SHUTTER |
| SPEC/STD CONTROLLING DATA | |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | LH66BA2 |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILL3661 |