- ANSI 1891 lamp is a T3-1/4 lamp with a miniature bayonet base
- It operates at 3 Watts/14 Volts and i primarily used in low voltage automotive lighting such as dome, ash stray, clock, and glove box lighting
| Type | Bulbs |
| Style | Miniature |
| Color | Clear |
| Voltage | 14 VDC |
| Industry No. | 1891 |
| Max OAL | 1.19" |
| AVG life hrs | 500 |
| Base Style | Miniature Bayonet (Ba9s) |
| Candlepower | 2 |
| Shape | T3-1/4 |
| Filament Style | C-2F |
| Application | Low voltage automotive |
