71-433338-55Y

Overview

The Amphenol Aerospace Operations part number 71-433338-55Y is a circular MIL-spec connector plug. It complies with the MIL-DTL-38999 standard and features an aluminum shell material. The unit utilizes a straight cable mount installation style with a threaded mating interface. Electrical ratings include 400 VAC and 500 VDC, with a current rating of 3 A. Contacts are gold-plated copper pins designed for crimp termination. The component corresponds to insertion arrangement 22-01.

Feature Summary

• Complies with MIL-DTL-38999 circular connector specifications
• Features a durable aluminum alloy housing construction
• Utilizes gold-plated copper contacts for reliable signal transmission
• Designed for secure cable mounting via a threaded coupling mechanism

Applications

• Avionics systems in commercial and military aircraft
• Aircraft airframe power distribution networks
• Harsh environment instrumentation and control circuits
• Wire bundling and cable management assemblies

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to ensure correct contact configuration and environmental sealing ratings. Confirm that the crimp tooling matches the specified pin size requirements. Cross-reference the MIL-DTL-38999 compliance details with your system's environmental qualification standards before finalizing procurement orders.

Selection Notes

Select this component when a ruggedized circular connector meeting MIL-DTL-38999 Class I or II standards is required. Ensure the application demands a straight cable entry point and a threaded coupling nut for vibration resistance. Verify that the 3 A current capacity and 400 VAC voltage rating align with the circuit design parameters and operating temperature ranges.

Part Context

This part belongs to the Amphenol Series III circular connector family, widely used in aerospace and defense sectors. These connectors are engineered for high-density interconnects in demanding environments. The series offers various shell sizes and contact arrangements to support diverse signal and power distribution needs across global aviation platforms.

Replacement Considerations

The part number JT06RP-22-55PD(003)(LC) serves as a verified equivalent identifier for this component. Ensure mechanical dimensions and electrical characteristics match exactly when substituting. Validate compatibility with existing mating receptacles and panel cutouts during the replacement process.