PLUG (P/N 2131556) - New Surplus

The 2131556 is a connector plug that protects unmated receptacles in aircraft electrical systems during maintenance and storage. This protective cap terminates open connector interfaces, preventing contamination and mechanical damage to crimp contacts. Used in avionics and airframe MRO when connectors are disconnected for service or component replacement.

The plug maintains interface integrity and follows SAE AS85049 specifications for connector accessories. Installation should secure the plug per aircraft maintenance manual guidance to prevent accidental disconnection during operation or ground handling.

What is the PLUG (P/N 2131556)?

The 2131556 is a connector plug that protects unmated receptacles in aircraft electrical systems during maintenance and storage. This protective cap terminates open connector interfaces, preventing contamination and mechanical damage to crimp contacts.

Is the 2131556 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The PLUG 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 2131556 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 2131556?

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.