71-490007-39S

Overview

The Amphenol Aerospace Operations model 71-490007-39S is a circular connector assembly designed for high-reliability applications. It features a shell size of 25 and utilizes a solder termination method for secure electrical connections. The connector incorporates 39 contact positions, specifically configured with 39 socket contacts to facilitate signal transmission. This unit belongs to the MIL-DTL-38999 Series III family, ensuring compliance with stringent military standards for environmental sealing and mechanical durability in demanding operational conditions.

Feature Summary

• High-density contact configuration supporting up to 39 positions within a compact shell size.
• Robust construction utilizing Class K plating for enhanced corrosion resistance and conductivity.
• Designed for reliable performance under extreme environmental conditions including vibration and temperature variations.

Applications

• Avionics systems requiring high pin count interconnects
• Military ground vehicle communication equipment
• Aerospace test and measurement instrumentation

Procurement Notes

Verify that the specific ordering suffix matches the required contact type, plating specification, and mounting style. Confirm environmental sealing requirements such as IP rating or salt spray resistance align with the project specifications. Ensure compatibility with mating connectors regarding shell size and thread type to prevent interface mismatches during assembly.

Selection Notes

Select this component when a high-density circular connector is required for space-constrained installations. Consider the solder termination method if PCB or panel mount integration is necessary. Evaluate the need for Class K plating based on the operating environment's corrosive potential. Verify that the 39-contact capacity meets the system's signal routing requirements without excessive unused positions.

Part Context

This part falls within the MIL-DTL-38999 Series III product line, widely used in defense and aerospace sectors. It represents a standard solution for connecting control and signal lines where reliability is critical. The series offers various shell sizes and contact arrangements to suit different application densities and mechanical constraints.

Replacement Considerations

Cross-reference with other manufacturers' MIL-DTL-38999 Series III equivalents. Ensure dimensional compatibility and contact arrangement match exactly. Verify that any substitute meets the same environmental and performance standards.