PLUG (P/N pc14021) - New Surplus

The pc14021 is a connector plug designed to seal unused contact cavities in aircraft electrical connectors. This protective seal prevents moisture ingress and maintains environmental integrity in avionics harnesses. The plug blocks open positions on circular or rectangular connectors, conforming to MS27488 standards for MIL-DTL-38999-type connectors.

Installation follows aircraft maintenance manual specifications and connector manufacturer instructions per AC 43.13-1B guidance. Used wherever open connector cavities require environmental protection during aircraft assembly, maintenance, or reconfiguration.

What is the PLUG (P/N pc14021)?

The pc14021 is a connector plug designed to seal unused contact cavities in aircraft electrical connectors. This protective seal prevents moisture ingress and maintains environmental integrity in avionics harnesses.

Is the pc14021 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 pc14021 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 pc14021?

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.