Description
Honeywell Aircraft ELCU 3B39-1B Series offers Sil‑Met™ repair solutions for power relays, electrical contacts, and terminal boards. Designed as piece part support only, this unit is compatible with Boeing B747, B757, and B767 aircraft. It features a National Stock Number (NSN) of 6110-01-515-2719, ensuring easy identification for military and commercial supply chains.
- Weighing just 2 lbs
- with compact 6x6x6-inch dimensions,
It supports flexible maintenance options including new purchase, overhaul, exchange, overhaul & return, core sell-back, or core trade-in. Ideal for commercial, heavy jet, and military applications. Always consult your aircraft manual to confirm fitment before ordering. Trust Honeywell’s proven repair technology for reliable electrical system performance.





