71-529701-98E

Overview

The Amphenol Aerospace Operations part number 71-529701-98E is a circular connector component associated with the JT08RP-8-98PA(318) designation. It belongs to the MIL-DTL-38999 Series III standard, designed for high-reliability interconnect applications in harsh environments. The component features a self-locking coupling mechanism and provides environmental sealing capabilities. It is constructed with an aluminum alloy shell finished in cadmium plating with chromate conversion coating, typically appearing olive drab green. The connector supports multiple contact configurations and is rated for operation across a wide temperature range, ensuring durability in military and aerospace sectors.

Feature Summary

• Self-locking threaded coupling mechanism for secure mating
• Environmental sealing for protection against contaminants
• Constructed from aluminum alloy with corrosion-resistant finish
• Compliant with MIL-DTL-38999 Series III specifications

Applications

• Military avionics systems
• Aerospace instrumentation
• Harsh environment control circuits
• Defense communication equipment

Procurement Notes

Verify the specific contact configuration and shell size suffix against the engineering drawing, as the base part number may correspond to various assembly variations. Confirm that the required qualification level matches the project's environmental testing standards. Ensure compatibility with existing cable assemblies and mating receptacles before finalizing procurement orders.

Selection Notes

Select this component when MIL-DTL-38999 Series III compliance is mandatory for the application. Consider the self-locking feature for vibration-prone environments where standard threaded coupling is insufficient. Evaluate the available contact arrangements to ensure sufficient pin counts for the circuit design. Verify thermal ratings align with the operational temperature extremes of the target system.

Part Context

This component is part of Amphenol's extensive portfolio of circular connectors serving the commercial and defense aerospace markets. It falls under the Tri-Start or similar series lines designed for weight reduction and simplified installation. These connectors are engineered to meet stringent industry standards for reliability and performance in critical flight and ground support applications.

Replacement Considerations

Direct replacements must match the MIL-DTL-38999 Series III specification and physical dimensions. Verify cross-brand equivalents from manufacturers such as Glenair or ITT Cannon by comparing shell size, thread style, and contact arrangement. Ensure functional equivalence in locking mechanisms and environmental sealing ratings.

FAQ

What is the coupling type for this connector?

It utilizes a self-locking threaded coupling mechanism.

Is this connector shielded?

Shielding depends on the specific contact arrangement and shell variant; verify the detailed datasheet for the exact configuration.