71-419579-12S

Overview

The Amphenol Aerospace Operations part number 71-419579-12S is a circular MIL-spec connector plug. It corresponds to the D38999/26WC35AA designation within the Tri-Start TV series. The component features an aluminum shell with olive drab cadmium plating and gold-plated contacts. It utilizes a self-locking coupling mechanism and crimp termination for 7 positions, specifically size 20 sockets. The connector is designed for cable mounting and provides environmental sealing capabilities suitable for harsh operating conditions.

Feature Summary

• Self-locking coupling mechanism for secure connection
• Aluminum alloy housing with corrosion-resistant finish
• Gold-plated copper alloy contact surfaces
• Crimp termination style for reliable electrical interface

Applications

• Military avionics systems
• Aerospace communication equipment
• Industrial instrumentation panels

Procurement Notes

Verify the specific suffix configuration against the manufacturer's current datasheet to ensure compatibility with mating connectors. Confirm that the ordering information matches the required contact arrangement and shell size. Cross-reference the part number with official distributor catalogs to validate authenticity and current production status before finalizing procurement orders.

Selection Notes

Select this component when a shielded, self-locking circular connector is required for panel or cable mounting applications. Ensure the mating connector shares the same shell size and contact arrangement specifications. Verify that the operating environment temperature range aligns with the connector's rated performance limits and material constraints.

Part Context

This part belongs to the Tri-Start TV series of circular connectors manufactured by Amphenol Aerospace Operations. The series is characterized by its self-locking feature and compliance with military specifications. These connectors are widely used in demanding environments where vibration resistance and environmental sealing are critical requirements for system reliability.

Replacement Considerations

The part number 71-419579-12S is functionally equivalent to MS3126E12S-35S and D38999/26WC35AA. Verify physical dimensions and pinout configurations before substituting with these alternative part numbers to ensure mechanical and electrical compatibility.