71-477105-99S

Overview

The Amphenol Aerospace Operations part number 71-477105-99S is a circular MIL-DTL-26482 Series II connector. It functions as a plug with female socket contacts designed for crimp termination. The assembly utilizes an aluminum alloy shell with a cadmium and chromate finish, providing environmental resistance. This component is engineered for free-hanging installation and features a bayonet coupling mechanism to ensure secure mating in demanding operational conditions.

Feature Summary

• Bayonet coupling interface for rapid engagement
• Crimp termination for reliable electrical contact
• Aluminum alloy housing with protective surface treatment

Applications

• Aviation systems
• Military equipment
• Automotive applications

Procurement Notes

Verify the specific datasheet for the 71-477105-99S designation to confirm exact pin count and contact arrangement details. Ensure compatibility with corresponding receptacle counterparts within the MIL-DTL-26482 Series II framework. Confirm that the crimp tooling matches the specified contact size requirements for proper termination integrity.

Selection Notes

Select this component when a robust circular connector with a bayonet lock is required for high-vibration environments. Consider the aluminum construction for weight-sensitive applications where moderate corrosion resistance is sufficient. Validate that the female socket configuration aligns with the mating male pin requirements of the system design.

Part Context

This part belongs to the MIL-DTL-26482 Series II family, which defines lightweight circular connectors for aerospace and defense use. The numbering convention links directly to Amphenol's internal designations, ensuring traceability across military supply chains while maintaining standardized mechanical interfaces.

Replacement Considerations

M83723/76R2255N is listed as a parameter equivalent substitute by the manufacturer.