71-528264-05E

Overview

The 71-528264-05E is a circular MIL-spec connector manufactured by Amphenol Aerospace Operations. It is classified as a receptacle with 55 positions. The component utilizes a bayonet coupling style and features an aluminum shell. Designed for cable installation, it supports crimp termination methods.

Feature Summary

• Bayonet locking mechanism for secure mating
• Aluminum alloy housing construction
• Crimp termination interface design

Applications

• Avionics systems integration
• Aircraft power distribution networks
• Harsh environment instrumentation connections

Procurement Notes

Verify the specific revision level against current engineering drawings to ensure compatibility with existing harness assemblies. Confirm that the bayonet coupling orientation matches the panel cutout requirements. Validate that the 55-position receptacle configuration aligns with the mating plug specifications before finalizing procurement orders.

Selection Notes

Select this component when a high-density 55-position connection is required in a compact form factor. The aluminum construction offers weight advantages over steel alternatives while maintaining structural integrity. Ensure the application environment does not exceed the material corrosion resistance limits of the standard plating finish.

Part Context

This part belongs to the Amphenol 38999 series of circular connectors. These components are widely used in military and aerospace sectors due to their standardized dimensions and reliable performance under vibration and shock conditions. The series provides a comprehensive range of contact counts and mounting styles.

Replacement Considerations

Cross-reference with MS27484E22A55BB for potential interchangeability. Verify dimensional tolerances and contact arrangement compatibility before substituting. Ensure the replacement part meets the same environmental sealing and electrical rating standards.