Incandescent lamp for lighting fixtures inside ground transportation vehicles and planes.
Modern substitute: SM28-10
Technical parameters:
| Rated voltage, V | 28 |
| Rated power, W | 10 |
| Luminous flux, lm | 80 |
| Average lifetime, not less than, h | 100 |
| Lamp cap type | B15d/18 |
| Lamp cap design | bayonet |
| Light color | white |
| Dimensions, mm (diameter x length) | 20x36 |
