71-419579-18P

Overview

The Amphenol Aerospace Operations 71-419579-18P is a circular MIL-spec connector plug designed for high-reliability applications. It features an aluminum alloy shell with olive drab cadmium plating and utilizes a self-locking coupling mechanism. The connector supports a 18-19 contact arrangement, accommodating mixed signal and power lines within a robust housing. Rated for 500VAC and 2000VDC, it operates reliably in temperatures ranging from -65°C to +200°C. This component meets stringent environmental standards, ensuring durability against vibration, moisture, and corrosive atmospheres in demanding aerospace and defense environments.

Feature Summary

• Self-locking coupling nut design ensures secure connection under severe vibration conditions
• Aluminum alloy shell with corrosion-resistant surface treatment for harsh environment durability
• Mixed contact configuration capability supporting simultaneous signal and power transmission
• High thermal stability rated for extreme operating temperature ranges

Applications

• Aircraft avionics systems requiring reliable signal interconnection
• Military ground vehicle electronic control units
• Radar and communication equipment interfaces
• Harsh environment industrial instrumentation panels

Procurement Notes

Verify the specific contact arrangement and termination type against the official datasheet before procurement. Confirm that the ordering suffix matches the required pinout and cable entry orientation. Ensure compatibility with mating receptacles regarding shell size and coupling style. Request manufacturer certification for critical aerospace or defense projects to guarantee traceability and compliance with specified military standards.

Selection Notes

Select this model when a self-locking circular connector is required for high-vibration environments. Consider the aluminum shell material for weight-sensitive applications where moderate corrosion resistance is sufficient. Evaluate the contact arrangement density against available space constraints. Ensure the operating voltage and current ratings align with the system's electrical requirements and environmental exposure levels.

Part Context

This component belongs to the Amphenol Series 71 family of circular connectors, which are widely used in aerospace and defense sectors. The series is known for its rugged construction and compliance with MIL-DTL-38999 standards. These connectors are engineered to provide consistent performance in challenging operational conditions, serving as critical interconnect solutions for mission-critical systems across various platforms.

Replacement Considerations

Cross-reference with other manufacturers' MIL-DTL-38999 Class III connectors. Verify dimensional interchangeability and contact alignment. Check for equivalent self-locking mechanisms and shell material specifications. Ensure mating compatibility with existing receptacles in the assembly.