CONNECTOR (P/N 31-3) - New Surplus

The 31-3 is an aircraft electrical connector with a metal shell and crimp or solder contact options for avionics harness interconnections. This connector mates line-replaceable units in avionics bays, providing reliable electrical interface between equipment and wiring systems. Installation follows AS/MS/NAS standards specified in aircraft documentation and FAA AC 43.13-1B practices.

Proper pinout, strain relief, and sealing must be verified during termination per the aircraft maintenance manual. Used throughout general and commercial aircraft electrical systems.

What is the CONNECTOR (P/N 31-3)?

The 31-3 is an aircraft electrical connector with a metal shell and crimp or solder contact options for avionics harness interconnections. This connector mates line-replaceable units in avionics bays, providing reliable electrical interface between equipment and wiring systems.

Is the 31-3 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The CONNECTOR 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 31-3 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 31-3?

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.