71-529705-42Y

Overview

The Amphenol Aerospace Operations part number 71-529705-42Y is a circular connector plug component belonging to the JT series, which complies with MIL-DTL-38999 Series III standards. It features an aluminum shell with a cadmium finish and is designed for crimp termination of contacts. The unit provides shielding and environmental sealing capabilities suitable for demanding operational conditions.

Feature Summary

• Complies with MIL-DTL-38999 Series III specifications for high-reliability interconnects
• Features self-locking coupling mechanisms for secure connection retention
• Constructed with aluminum alloy housing for structural integrity and weight efficiency

Applications

• Commercial aerospace avionics systems
• Military aircraft power distribution networks
• Harsh environment instrumentation controls

Procurement Notes

Verify the specific contact configuration and orientation against the official datasheet before procurement. Confirm that the ordering suffix matches the required pinout and termination style. Ensure compatibility with mating receptacles within the same series. Check for any recent design changes or obsolescence notices from the manufacturer.

Selection Notes

Select this component when MIL-DTL-38999 Series III compliance is mandatory. Consider the aluminum shell material for applications requiring lightweight construction. Evaluate the environmental sealing requirements against the specified ingress protection ratings. Ensure the operating temperature range aligns with system thermal profiles.

Part Context

This part belongs to the Tri-Start JT series of circular connectors manufactured by Amphenol Aerospace Operations. The series is widely utilized in defense and commercial aviation sectors. It represents a standardized interface for high-density signal and power transmission in constrained spaces.

Replacement Considerations

Cross-reference with other manufacturers producing MIL-DTL-38999 Series III plugs. Verify dimensional interchangeability and electrical performance equivalence. Ensure mating connector interfaces are compatible.