LEAD AY (P/N 10-400401-78) - New Surplus

The 10-400401-78 is a pre-terminated lead assembly for aircraft electrical interconnections within the EWIS (Electrical Wiring Interconnection System). This conductor provides signal or low-current power routing between components such as sensors and instruments. Installation follows standard aerospace wiring practices per AC 43.13-1B Chapter 11 and applicable EWIS standards.

Secure the lead assembly according to the aircraft wiring diagram, verifying IPC compatibility before installation. Designed for reliable signal transmission in general aviation and commercial aircraft electrical circuits.

What is the LEAD AY (P/N 10-400401-78)?

The 10-400401-78 is a pre-terminated lead assembly for aircraft electrical interconnections within the EWIS (Electrical Wiring Interconnection System). This conductor provides signal or low-current power routing between components such as sensors and instruments.

Is the 10-400401-78 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The LEAD AY is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 10-400401-78 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the 10-400401-78?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.