Many older aircraft utilize dual purpose, two lamp light fixtures for general area illumination. These fixtures contain both red and unfiltered white lamps. Most are S-8 305 or 307 types with 307R or 311R in the red position. The red was used for night operations. Today much of that work is accomplished while wearing, or near those wearing, Night Vision Goggles (NVG). These goggles will not tolerate red light. Now the user can substitute the 723-1244-001 for the red lamp, making the light fixture NVG compatible without rewiring or adding a switch to the aircraft. Some users have opted to also replace the white lamp with our 721-1185-001 (NSN 6250-01-549-4683) for greater light, longer life and less current.

Key features

  • Extremely durable
  • SC Bayonet Based
  • Substitute for MS35478-305


  • Unlikely failure
  • Redundancy due to multiple LED segments