PLUG (P/N 839241) - New Surplus

The 839241 is a protective plug designed to cap unused receptacle cavities in aircraft circular connectors. This connector plug seals and protects contact cavities from moisture, contamination, and environmental exposure in avionics and engine-bay harness systems. Installed during connector assembly or harness maintenance to maintain environmental sealing integrity per AS/MIL circular connector standards.

Installation follows the connector manufacturer's procedure and aircraft maintenance manual specifications. Verify compatibility against your aircraft's Illustrated Parts Catalog before deployment in MRO operations.

What is the PLUG (P/N 839241)?

The 839241 is a protective plug designed to cap unused receptacle cavities in aircraft circular connectors. This connector plug seals and protects contact cavities from moisture, contamination, and environmental exposure in avionics and engine-bay harness systems.

Is the 839241 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 839241 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 839241?

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.