71-433338-21E

Overview

The Amphenol Aerospace Operations model 71-433338-21E is a circular MIL-spec connector plug. It complies with the MIL-DTL-38999 standard and belongs to the 38999 Aluminum series. The component features a size 22 shell with a threaded mating style. It utilizes crimp termination for contacts, which are gold-plated copper pins. The unit supports 100 positions arranged in the 22-01 configuration. Rated for 400 VAC and 500 VDC, it carries a 3 A current rating. The housing is made of aluminum.

Feature Summary

• Complies with MIL-DTL-38999 military specifications
• Features gold-plated copper pin contacts
• Utilizes a threaded coupling mechanism
• Constructed with an aluminum alloy housing

Applications

• Military avionics systems
• Naval ship interconnects
• Jet aircraft instrumentation
• Helicopter control circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct contact arrangement and termination type. Confirm that the shell size and insertion arrangement match the design requirements. Check for any environmental sealing ratings or special plating options required for the intended application environment before finalizing the purchase order.

Selection Notes

Select this component when a high-density circular connector is required for MIL-DTL-38999 applications. The size 22 shell accommodates 100 positions, suitable for complex signal routing. Ensure the system design supports threaded coupling and crimp termination processes. Verify voltage and current ratings align with the circuit load requirements.

Part Context

This part is manufactured by Amphenol Aerospace Operations, a provider of ruggedized interconnect systems for defense and aerospace markets. The product falls under the 38999 Aluminum series, designed for harsh environments. It serves as a critical interface component in advanced military platforms requiring reliable electrical connectivity.

Replacement Considerations

Cross-reference the legacy part number 87-433338-01E for potential substitution. Verify dimensional compatibility and electrical performance equivalence with authorized distributors before replacing.