71-433338-21T

Overview

The Amphenol Aerospace Operations 71-433338-21T is a circular MIL-spec connector belonging to the MIL-DTL-38999 Series III family. It features an aluminum alloy shell with electroless nickel plating and utilizes a threaded coupling mechanism for secure attachment. The component is designed as a plug with straight cable installation, accommodating crimp termination for reliable signal transmission in demanding environments.

Feature Summary

• Constructed with a durable aluminum alloy housing finished with electroless nickel plating for corrosion resistance
• Utilizes a threaded coupling interface to ensure secure mating and environmental sealing
• Designed for straight cable mounting with crimp-style contact termination for robust electrical connections

Applications

• Avionics systems in military aircraft and helicopters
• Radar and communication equipment interconnects
• Test and measurement instrumentation requiring ruggedized interfaces
• Ground support equipment and tactical vehicle electronics

Procurement Notes

Verify the specific shell size, contact arrangement, and plating options against the official datasheet before ordering. Confirm that the threaded coupling style matches the system requirements. Ensure compatibility with mating receptacles within the same MIL-DTL-38999 Series III family to guarantee proper fit and function.

Selection Notes

Select this component when a high-density circular connector with a threaded lock is required for harsh environments. Consider the aluminum construction for weight savings compared to steel alternatives. Evaluate the crimp termination method against available wiring harness capabilities and ensure the straight cable entry fits the spatial constraints of the installation.

Part Context

This part belongs to the extensive MIL-DTL-38999 Series III product line from Amphenol Aerospace. These connectors are widely recognized for their reliability in defense and aerospace sectors. The series offers various shell sizes and contact configurations to meet diverse pin count requirements while maintaining strict adherence to military performance standards.

Replacement Considerations

Cross-reference with other manufacturers producing MIL-DTL-38999 Series III connectors to find equivalent parts. Verify that any substitute matches the exact shell size, thread style, and contact arrangement. Ensure the replacement maintains the same environmental sealing and mechanical durability specifications.