71-418618-68Z

Overview

The Amphenol Aerospace Operations part number 71-418618-68Z is a circular MIL-spec connector plug. It complies with MIL-DTL-38999 Series I standards and features a bayonet coupling mechanism. The assembly utilizes size 18 shell construction made from aluminum alloy, finished with nickel plating for corrosion resistance. It accommodates 9 positions using crimp termination methods for reliable electrical connections. The contacts are gold-plated copper alloy sockets designed to ensure low contact resistance and durability in demanding environments.

Feature Summary

• Bayonet coupling system provides rapid connection and secure locking
• Crimp termination ensures robust mechanical and electrical stability
• Gold-plated contacts maintain signal integrity under harsh conditions

Applications

• Avionics systems requiring MIL-DTL-38999 compliance
• Military communication equipment interfaces
• Radar and navigation system interconnections

Procurement Notes

Verify the specific suffix codes against the manufacturer's current datasheet to confirm exact shell finish and contact plating specifications. Ensure compatibility with mating receptacles regarding keying options and insert arrangements. Confirm that the crimp tooling matches the specified contact sizes for proper termination quality.

Selection Notes

Select this component when a Series I circular connector with a straight cable entry is required. Verify that the operating environment aligns with the material limitations of aluminum shells and standard MIL-grade insulation. Ensure the mating interface supports the bayonet lock style rather than threaded or quick-connect alternatives.

Part Context

This part belongs to the extensive family of MIL-DTL-38999 connectors manufactured by Amphenol Aerospace. These components are widely utilized across defense and aerospace sectors due to their standardized dimensions and high reliability. The 71-series designation typically indicates a specific manufacturer code within the broader military specification framework.

Replacement Considerations

Compatible substitutes include equivalent MIL-DTL-38999 Series I plugs from other qualified manufacturers such as Glenair or ITT Cannon, provided they match the shell size, contact arrangement, and mounting style.