Pins on either side of the base lock these bulbs into sockets.

These bulbs are sized to fit tight spaces such as signs, control panels, indicators, and flashlights.

Bulbs have two filaments, which operate at different brightness levels.

These miniature bulbs are sized to fit older telephone switchboards, signs, instruments, and indicators.

Fit these bulbs in tight spaces such as signs, control panels, indicators, and flashlights.

Use these bulbs in tight spaces, such as in indicators and vehicle lights.

Commonly used in signs, instruments, indicators, and flashlights.

Often used as status indicators, in displays, or to check circuit function in prototyping and testing, these bulbs have wire terminals to directly install onto circuit boards.

Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators.