1829-BP Eiko 1829-BP T3-1/4 Miniature Lamp; 28 Volt, Miniature Bayonet (BA9s) Base, 1000 Hour Life Features: C-2F Filament, Blister Pack, Standard: SAE, ANSI, Designation: T-3 1/4, Voltage Rating: 28V, Amperage Rating: 0.07AMP, Size: 0.43 DIA X 1.19IN, Base: Miniature Bayonet (BA9s), Average Life: 1000HR