71-528265-42Y

Overview

The Amphenol Aerospace Operations part number 71-528265-42Y is a circular MIL-spec connector receptacle belonging to the MS Series, compliant with MIL-DTL-5015 standards. It features 37 positions with male pin contacts arranged in insertion configuration 28-21. The housing is box-mount style, constructed from aluminum with an olive drab cadmium finish. Contacts are gold-plated copper alloy, rated for 13 A current and 2 kV voltage. Termination is via crimp, and the unit utilizes a threaded mating style with straight panel installation.

Feature Summary

• Compliant with MIL-DTL-5015 military specifications for rugged circular connectors
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Aluminum housing provides structural durability in harsh environments
• Threaded coupling mechanism secures connection integrity

Applications

• Military avionics systems
• Ruggedized ground support equipment
• Defense communication arrays

Procurement Notes

Verify the specific manufacturer source and authenticity of the component upon receipt. Confirm that the physical condition matches the MIL-DTL-5015 specification requirements. Ensure the packaging protects the delicate gold-plated contacts from corrosion or mechanical damage during transit and storage prior to installation.

Selection Notes

Select this component when a MIL-DTL-5015 compliant receptacle with 37 positions is required. Ensure the mating connector matches the shell size and insertion arrangement. Verify that the crimp termination method aligns with available wiring harness tools and contact sizes.

Part Context

This part belongs to the Amphenol MS Series of circular connectors, which are widely used in defense and aerospace applications requiring high reliability. The series offers various shell sizes and contact arrangements to meet diverse interconnect needs in demanding operational environments.

Replacement Considerations

Compatible substitutes include MS3452W28-21P and other MS3452 series variants with identical shell size and insertion codes. Cross-reference with MIL-DTL-5015 equivalents from other qualified manufacturers if supply constraints exist.

FAQ

What is the contact material for this connector?

The contacts are made of copper alloy with a gold plating finish.

Is this connector suitable for panel mounting?

Yes, it features a box-mount style designed for straight panel installation.