| SHAPE | ROUND |
| OVERALL DIAMETER | 5.380 INCHES NOMINAL |
| OVERALL LENGTH | 1.630 INCHES NOMINAL |
| VOLTAGE RATING IN VOLTS | 12.8 DC NOMINAL |
| MATERIAL | STEEL BODY |
| PLASTIC ACRYLIC LENS |
| SURFACE TREATMENT | CHROMIUM BODY |
| LAMP TYPE ACCOMMODATED AND QUANTITY | 1 INCANDESCENT |
| LAMP BASE TYPE ACCOMMODATED | SINGLE CONTACT BAYONET CANDELABRA |
| LENS TYPE AND QUANTITY | 1 PLANO CONVEX |
| LENS SURFACE CONDITION | CONCENTRIC RINGS BACK |
| SMOOTH FACE |
| LENS COLOR | COLORLESS |
| LENS TRANSPARENCY | TRANSPARENT |
| MOUNTING METHOD | UNTHREADED HOLE |
| TERMINAL TYPE AND QUANTITY | 1 WIRE LEAD |
| WIRING PROVISION METHOD | INDIVIDUAL WIRE |
| WIRING PROVISION LENGTH | 7.3 INCHES NOMINAL SINGLE PROVISION |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | TEMPERATURE RESISTANT AND |
| HUMIDITY RESISTANT |
| FURNISHED ITEMS AND QUANTITY | 1 LAMP AND |
| 1 RETAINING RING |
| FEATURES PROVIDED | PANEL FRONT MOUNTING |
| SPECIAL FEATURES | LAMP NO. 1156 |