71-419578-08S

Overview

The Amphenol Aerospace Operations part number 71-419578-08S is a circular MIL-spec connector belonging to the MS3456 series. It features an aluminum alloy shell with olive drab cadmium plating and utilizes a bayonet coupling mechanism for secure attachment. The connector is designed for cable installation and contains eight positions configured with socket contacts. These contacts are made from copper alloy and feature gold plating to ensure reliable signal transmission. The unit supports a rated voltage of 2000V and operates within a temperature range of -55°C to 200°C, meeting MIL-DTL-5015 standards.

Feature Summary

• Bayonet coupling system provides rapid connection and secure locking in high-vibration environments
• Aluminum alloy housing offers structural durability while maintaining lightweight characteristics
• Gold-plated copper alloy contacts ensure low contact resistance and corrosion resistance
• Cable termination style facilitates integration into complex wire harness assemblies

Applications

• Military aircraft avionics systems
• Naval ship communication equipment
• Ruggedized ground vehicle electronics
• Defense radar and sensor interfaces

Procurement Notes

Verify the specific suffix codes against the manufacturer's current datasheet to confirm contact configuration and plating specifications. Ensure compatibility with mating receptacles regarding shell size and keying options. Confirm environmental sealing requirements align with the application's IP rating needs. Cross-reference the part number with official Amphenol Aerospace documentation to validate current production status and obsolescence warnings before finalizing procurement decisions.

Selection Notes

Select this component when a robust, MIL-DTL-5015 compliant circular connector is required for harsh military or aerospace environments. The choice is driven by the need for high voltage insulation, wide temperature tolerance, and reliable bayonet locking. Consider the cable mounting style and socket contact type to match the specific wiring harness design. Evaluate the aluminum shell material for weight-sensitive applications requiring durable shielding and mechanical protection.

Part Context

This component is part of the extensive MS3456 family of circular connectors manufactured by Amphenol Aerospace. The series is widely recognized in the defense industry for its rugged performance and standardized dimensions. It serves as a critical interconnect solution for transmitting power and signals in demanding operational conditions where reliability is paramount.

Replacement Considerations

Compatible substitutes include equivalent MIL-DTL-5015 connectors from other qualified manufacturers that match the shell size, contact arrangement, and coupling method. Verify dimensional interchangeability and electrical ratings before substitution.