PLUG (P/N c49559) - New Surplus

The c49559 is a sealing plug designed to protect unused contact cavities in aerospace circular connectors. This connector plug maintains environmental integrity by blocking moisture and debris from entering open positions during aircraft assembly, production, and maintenance. Commonly used with MIL-DTL-38999 circular connector systems where MS27488-type sealing plugs are specified.

Install per the connector manufacturer's instructions and verify compatibility with your aircraft's Illustrated Parts Catalog before use. Protects harness quality during MRO operations and storage.

What is the PLUG (P/N c49559)?

The c49559 is a sealing plug designed to protect unused contact cavities in aerospace circular connectors. This connector plug maintains environmental integrity by blocking moisture and debris from entering open positions during aircraft assembly, production, and maintenance.

Is the c49559 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 c49559 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 c49559?

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.