71-432653-21S

Overview

The Amphenol Aerospace Operations 71-432653-21S is a circular MIL-spec connector component. It features 21 positions with socket contacts. The housing size is 22. The contact arrangement is designated as 22-21. The termination method is crimp. The shell material is aluminum with nickel plating. The series corresponds to MIL-DTL-26482 II specifications.

Feature Summary

• Constructed with an aluminum alloy shell for structural integrity in harsh environments.
• Utilizes gold-plated copper alloy contacts for reliable signal transmission.
• Designed with a crimp termination style for secure cable attachment.

Applications

• Avionics systems
• Defense communication equipment
• Radar systems

Procurement Notes

Verify the specific datasheet version and manufacturing origin when sourcing this part. Confirm that the received components match the exact shell size and contact arrangement specifications required for your assembly. Ensure compliance with relevant military standards during inspection.

Selection Notes

Select this model when a 21-position receptacle or plug interface is required within a MIL-DTL-26482 II compliant system. Consider the aluminum shell construction for weight-sensitive applications. Verify mating compatibility with corresponding pin contacts before integration into the final harness design.

Part Context

This component belongs to the Amphenol Aerospace circular connector family designed for demanding operational conditions. These connectors are engineered to withstand vibration, humidity, and temperature extremes typical in aerospace and defense sectors. The product line emphasizes durability and consistent electrical performance across various mission profiles.

Replacement Considerations

Cross-reference with MS3471L22-21S for potential interchangeability. Verify dimensional tolerances and contact alignment before substituting. Ensure the alternative part meets the same environmental sealing and current rating requirements.