71-528264-35Z

Overview

The Amphenol Aerospace Operations part number 71-528264-35Z is a circular MIL-specification receptacle connector. It belongs to the 38999 Aluminum series and complies with MIL-DTL-38999 standards. The unit features an aluminum shell with zinc nickel plating and utilizes a straight cable mount installation style. It contains 128 positions arranged in a 25-35 insertion configuration. The contacts are female sockets made of copper alloy with gold plating, designed for crimp termination. The connector supports a current rating of 5 A and operates at voltage ratings of 600 VAC and 850 VDC.

Feature Summary

• High-density interconnect capability with 128 positions in a compact shell size
• Self-locking coupling mechanism for secure connection integrity
• Corrosion-resistant aluminum housing with zinc nickel surface treatment
• Gold-plated copper alloy contacts ensuring reliable signal transmission

Applications

• Avionics systems requiring high pin count connectivity
• Military communication equipment interfaces
• Radar system signal distribution panels
• Aerospace control instrumentation modules

Procurement Notes

Verify the specific shell size and contact arrangement against the design drawing before procurement. Confirm that the mating plug matches the self-locking interface type. Ensure the crimp tooling is compatible with the specified socket contact sizes. Check environmental sealing requirements if operating in harsh conditions. Validate compliance with relevant military specifications for the intended deployment environment.

Selection Notes

Select this component when a high-density circular connector is required for panel or cable mounting applications. The 128-position capacity suits complex signal routing needs. Consider the aluminum construction for weight-sensitive aerospace environments. Verify that the gold plating meets conductivity requirements for the specific signal types. Ensure the crimp termination method aligns with available assembly tools and processes.

Part Context

This connector is part of the extensive Amphenol 38999 series, which provides standardized circular interconnect solutions for demanding industrial and defense sectors. The series offers various shell sizes and contact arrangements to accommodate diverse wiring configurations. The 71-528264-35Z variant specifically addresses high-pin-count requirements within a robust metallic enclosure framework.

Replacement Considerations

The part number 91-528264-35Z is listed as an alias for this component. Cross-reference dimensions and electrical ratings when substituting with other manufacturers' equivalents. Ensure mating compatibility with existing plugs in the assembly.