71-528266-66S

Overview

The Amphenol Aerospace Operations part number 71-528266-66S is a circular MIL-spec connector receptacle. It features an aluminum shell with olive drab cadmium plating and gold-plated copper alloy contacts. The component utilizes a crimp termination method and is designed for panel mount installation. It complies with MIL-DTL-38999 Series III standards, offering environmental sealing and shielding capabilities. The connector supports a rated voltage of 400 VAC and 500 VDC, with a current rating of 3 A. It operates within a temperature range of -65°C to 175°C and employs a threaded coupling mechanism.

Feature Summary

• Complies with MIL-DTL-38999 Series III military specifications for high-reliability interconnects
• Features environmentally sealed construction with effective electromagnetic interference shielding
• Utilizes durable aluminum housing with corrosion-resistant surface treatment
• Employs gold-plated contacts for reliable signal transmission in harsh conditions

Applications

• Military avionics systems requiring certified circular connectors
• Aerospace ground support equipment interfaces
• Harsh environment industrial control panels
• Defense communication hardware assemblies

Procurement Notes

Verify the specific series designation and contact arrangement against official Amphenol datasheets before procurement. Confirm that the ordering suffix matches the required shell size and contact configuration. Ensure compatibility with mating plugs regarding coupling type and environmental sealing requirements. 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 for the application. Consider the aluminum shell material for weight-sensitive aerospace installations. Evaluate the thermal operating range to ensure suitability for extreme environmental conditions. Verify that the crimp termination method aligns with available assembly tools and wire gauge requirements.

Part Context

This part belongs to the Amphenol Tri-Start TV series of circular connectors. These connectors are widely used in defense and aerospace sectors due to their robust construction and standardized dimensions. The series offers various shell sizes and contact arrangements to accommodate diverse wiring needs while maintaining strict adherence to military performance standards.

Replacement Considerations

Cross-reference with equivalent parts from other manufacturers holding MIL-DTL-38999 certification. Verify dimensional interchangeability and electrical ratings before substitution. Ensure that alternative components meet the same environmental sealing and shielding specifications.