71-528268-21P

Overview

The Amphenol Aerospace Operations part number 71-528268-21P is a circular MIL-spec connector receptacle belonging to the MS3450 series, compliant with MIL-DTL-5015 standards. It features a size 28 shell constructed from aluminum with an olive drab cadmium finish. The assembly utilizes a threaded mating style and is designed for panel mount installation. Electrical specifications include a current rating of 13 A and a voltage rating of 2 kV. The unit contains 37 positions configured with pin contacts made of copper alloy and gold plating, employing a crimp termination method.

Feature Summary

• Compliant with MIL-DTL-5015 military specifications for rugged environmental performance
• Utilizes a threaded coupling mechanism to ensure secure connection integrity
• Constructed with an aluminum housing featuring corrosion-resistant surface treatment
• Designed for reliable signal transmission in high-voltage applications

Applications

• Military avionics systems requiring standardized interconnects
• Ground-based radar and communication equipment enclosures
• Aerospace test and measurement instrumentation panels
• Harsh environment industrial control systems

Procurement Notes

Verify the specific datasheet revision and manufacturing origin before procurement. Confirm that the supplier provides full traceability documentation required for defense contracts. Ensure the received units match the exact shell size and contact arrangement specified in the technical drawings. Check for any applicable export control restrictions or compliance certifications relevant to your region.

Selection Notes

Select this component when a MIL-DTL-5015 standard receptacle is required for panel mounting. The size 28 shell accommodates the necessary 37-pin configuration for complex signal routing. Verify that the crimp termination type matches the wire gauge used in the harness design. Ensure the operating environment temperature range aligns with the material specifications of the gold-plated copper alloy contacts.

Part Context

This connector belongs to the MS3450 series of circular connectors manufactured by Amphenol Aerospace. These components are widely utilized in aerospace and defense sectors due to their durability and standardized interface. The series supports various shell sizes and contact arrangements to meet diverse wiring requirements across different platforms.

Replacement Considerations

Equivalent parts may be available from other manufacturers producing MIL-DTL-5015 compliant hardware. Verify dimensional compatibility and electrical ratings before substitution. Cross-reference with manufacturer interchangeability guides to ensure functional equivalence without compromising system reliability.