71-433031-98T

Overview

The 71-433031-98T is a circular MIL-spec connector manufactured by Amphenol Aerospace Operations. It functions as a plug housing with a bayonet coupling style, designed for cable mounting applications. The component utilizes a straight installation angle and features an aluminum alloy shell with nickel plating. It supports a 55-position socket contact arrangement within shell size 17, conforming to the MIL-DTL-38999 Series I standard. The contacts are terminated via crimp methods and plated with gold over copper alloy substrates. This part is classified under the 38999 Aluminum series and is intended for harsh environment operations requiring reliable interconnect solutions.

Feature Summary

• Bayonet coupling mechanism provides secure and rapid connection engagement
• Aluminum alloy shell construction ensures structural durability in demanding environments
• Gold-plated contacts offer superior conductivity and corrosion resistance
• Crimp termination method allows for customizable cable assembly integration

Applications

• Aircraft avionics systems
• Airframe power distribution networks
• Military instrumentation equipment
• Harsh environment control circuits

Procurement Notes

Verify the specific suffix configuration against the original design specification to ensure compatibility with mating receptacles and environmental sealing requirements. Confirm that the supplier provides traceable documentation regarding material composition and plating thickness. Cross-reference the MIL-DTL-38999 Series I compliance status with current regulatory standards before finalizing procurement orders to avoid integration issues.

Selection Notes

Select this component when a high-density 55-position circular connector is required for cable-mounted installations. The choice is appropriate for designs necessitating a bayonet lock for vibration resistance and quick disconnect capabilities. Consider the aluminum shell weight and thermal properties relative to other materials. Ensure the crimp tooling matches the specified contact sizes for proper termination integrity during assembly processes.

Part Context

This part belongs to the extensive family of MIL-DTL-38999 connectors, widely adopted in aerospace and defense sectors. The 38999 Series represents a third-generation lightweight circular connector system. Amphenol Aerospace Operations produces these components to meet rigorous military specifications for reliability and performance in extreme conditions, serving as a critical interconnect solution for complex electronic systems.

Replacement Considerations

Equivalent parts include MS27467T17F35SA from Amphenol Aerospace. Verify dimensional interchangeability and electrical continuity before substitution. Ensure the replacement maintains the same bayonet coupling interface and shell size constraints.

FAQ

What is the coupling mechanism type for this connector?

The connector utilizes a bayonet coupling style for secure attachment.

Is this component suitable for panel mount applications?

No, this specific model is designed for cable mounting installation.