71-528266-66E

Overview

The Amphenol Aerospace Operations part number 71-528266-66E is a circular MIL-spec connector receptacle belonging to the 38999 Aluminum series. It features an aluminum shell with wall mount installation and straight orientation. The component provides 66 positions using socket contacts that are gold-plated on copper alloy substrates. Designed for crimp termination, it operates at a voltage rating of 400 VAC and 500 VDC with a current rating of 3 A. This unit complies with MIL-DTL-38999 standards.

Feature Summary

• Constructed from aluminum housing for durability in harsh environments
• Utilizes bayonet coupling style for secure mating
• Features gold-plated copper alloy contacts for reliable signal transmission
• Designed for panel mounting applications

Applications

• Avionics systems
• Aircraft power distribution
• Military instrumentation
• Control panels

Procurement Notes

Verify the specific suffix codes against official datasheets to ensure correct contact configuration and plating specifications. Confirm environmental sealing requirements match the application needs. Check for alternate manufacturer cross-references if supply constraints exist. Ensure compatibility with existing panel cutouts and mating plugs before finalizing procurement orders.

Selection Notes

Select this component when a high-density 66-position circular connector is required for panel-mounted installations. Ensure the mating environment supports the specified voltage and current ratings. Verify that the bayonet coupling mechanism aligns with system assembly procedures. Consider the aluminum material properties for weight and corrosion resistance factors.

Part Context

This part belongs to the extensive 38999 series of circular connectors manufactured by Amphenol Aerospace. These connectors are widely used in aerospace and defense industries due to their standardized dimensions and robust performance characteristics. The series offers various shell sizes and contact arrangements to meet diverse interconnect needs.

Replacement Considerations

Cross-reference with MS27484E18S66S or JTPQ00RE-18-66S(005) for potential equivalents. Verify dimensional and electrical compatibility before substitution.