71-419581-11S

Overview

The Amphenol Aerospace Operations part number 71-419581-11S is a circular connector plug designed for high-reliability applications. It features a size 11 shell with a solder termination method for the contacts. The connector utilizes a bayonet coupling mechanism to ensure secure mating in demanding environments. It is constructed from aluminum alloy housing with a cadmium and chromate finish, providing corrosion resistance. The unit is classified as an environmental resistant connector suitable for harsh conditions.

Feature Summary

• Bayonet coupling system for rapid and secure connection
• Solder termination interface for reliable electrical contact
• Aluminum alloy housing with protective surface treatment
• Environmental sealing capabilities for harsh operating conditions

Applications

• Military avionics systems
• Naval shipboard equipment
• Ruggedized ground vehicle electronics

Procurement Notes

Verify the specific datasheet revision and contact arrangement details against the official Amphenol documentation before integration. Confirm that the solder cup dimensions match your cable harness specifications. Ensure the environmental rating meets the operational requirements of the target installation site. Cross-reference the MIL-DTL-38999 series compliance if required by the system design standards.

Selection Notes

Select this component when a size 11 circular plug with solder termination is required. Consider the bayonet lock for vibration resistance. Evaluate the aluminum housing weight benefits against steel alternatives. Verify compatibility with existing receptacle shells in the assembly. Check temperature range limits for the specific application environment.

Part Context

This component belongs to the D38999 series family of cylindrical connectors. It is manufactured by Amphenol Aerospace Operations, a provider of interconnect solutions for aerospace and defense markets. The part number indicates a specific configuration within the broader MIL-DTL-38999 standard framework. It represents a legacy or current production item depending on the manufacturer's active status.

Replacement Considerations

Check for direct cross-reference part numbers from other manufacturers holding MIL-DTL-38999 certifications. Verify dimensional interchangeability with existing panel cutouts and mating receptacles. Ensure equivalent electrical ratings are maintained during substitution.