LAMP: INCANDESCENT,28V (P/N 1591) - New Surplus

The 1591 is a 28-volt miniature incandescent lamp designed for cockpit indicator illumination in aircraft electrical systems. This S-8 bulb features a BA15s single-contact bayonet base for quick installation and removal in standard aviation lighting sockets. Commonly installed in instrument panel indicator fixtures on 28 VDC aircraft, the lamp provides steady illumination for status indicators, warning lights, and gauge backlighting.

Installation follows the aircraft maintenance manual specifications for socket compatibility and electrical connection. The incandescent design delivers reliable illumination across general aviation and business aircraft platforms.

What is the LAMP: INCANDESCENT,28V (P/N 1591)?

The 1591 is a 28-volt miniature incandescent lamp designed for cockpit indicator illumination in aircraft electrical systems. This S-8 bulb features a BA15s single-contact bayonet base for quick installation and removal in standard aviation lighting sockets.

Is the 1591 a PMA or OEM part?

The LAMP: INCANDESCENT,28V may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New Surplus. Contact us for sourcing details.

Does the 1591 include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the LAMP: INCANDESCENT,28V. We stock related hardware and can help identify companion parts.

Can the 1591 be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 1591.