71-432197-41S

Overview

The Amphenol Aerospace Operations part number 71-432197-41S is a circular MIL-spec connector receptacle. It belongs to the MS3471 series, conforming to MIL-DTL-26482 Series II standards. The unit features a size 20 shell with a straight cable mount style and crimp termination for contacts. It utilizes a 41-position socket arrangement (insert code 20-41) designed for secure signal transmission in demanding environments.

Feature Summary

• Compliant with MIL-DTL-26482 Series II military specifications for rugged performance
• Designed for direct cable mounting using a strain relief mechanism
• Utilizes gold-plated copper alloy contacts for reliable conductivity
• Constructed with a corrosion-resistant metallic housing

Applications

• Avionics systems in commercial and military aircraft
• Radar and navigation equipment interconnections
• Ground support equipment requiring MIL-spec reliability
• Harsh environment industrial control panels

Procurement Notes

Verify the specific suffix codes against the manufacturer's current datasheet to ensure compatibility with mating plugs and environmental sealing requirements. Confirm that the crimp tooling matches the contact size specifications. Check for any recent design changes or obsolescence notices from Amphenol Aerospace before finalizing procurement plans.

Selection Notes

Select this component when a straight cable-mount receptacle is required for MIL-DTL-26482 Series II applications. Ensure the mating plug corresponds to the correct insert code and shell size. Consider environmental sealing needs and verify that the crimp termination method aligns with available assembly tools and wire gauge requirements.

Part Context

This part is part of the extensive MS3471 family of circular connectors manufactured by Amphenol Aerospace. These connectors are widely used in aerospace and defense sectors due to their standardized dimensions and high reliability. The 71-432197 prefix identifies the specific configuration within the broader MIL-C-26482 ecosystem.

Replacement Considerations

Compatible equivalents include ITT Cannon parts such as CA3106E20-41S and Lemo series connectors if form-fit function is verified. Cross-reference with MIL-DTL-26482 specifications to ensure dimensional and electrical interchangeability with existing system components.