71-433035-55E

Overview

The Amphenol Aerospace Operations 71-433035-55E is a circular MIL-spec connector plug. It features 55 positions with male pin contacts. The unit utilizes a bayonet coupling style for secure mating. Construction includes an aluminum shell material. The component supports panel mount installation in a straight orientation. Electrical ratings include 5 A current capacity and 400 VAC voltage tolerance. Contact plating is specified as gold over copper base material. The termination method employed is crimping for wire attachment.

Feature Summary

• Bayonet coupling mechanism ensures rapid and secure connection engagement
• Gold-plated copper contacts provide reliable signal transmission
• Aluminum shell construction offers structural durability
• Crimp termination allows for robust wire harness integration

Applications

• Aerospace avionics systems
• Military communication equipment
• Harsh environment instrumentation
• Radar system interconnects

Procurement Notes

Verify the specific manufacturer part number against official Amphenol documentation to confirm compatibility. Ensure that the ordering suffix matches the required contact arrangement and shell finish specifications. Cross-reference the datasheet for environmental sealing requirements relevant to the intended operational conditions. Confirm that the crimp tooling aligns with the designated contact size standards before procurement execution.

Selection Notes

Evaluate the mechanical interface requirements to ensure the bayonet coupling style suits the assembly constraints. Assess the electrical load demands against the 5 A current rating and 400 VAC insulation limits. Verify that the panel mount orientation fits the chassis design without interference. Consider the aluminum shell weight benefits compared to heavier metallic alternatives for mobile platforms.

Part Context

This component belongs to the circular MIL-spec connector family designed for high-reliability applications. It serves as a critical interconnect element within complex wiring harnesses. The design prioritizes performance under extreme thermal and vibrational stress. Integration into aerospace frameworks requires strict adherence to mounting torque and alignment protocols defined by the manufacturer.

Replacement Considerations

Cross-check equivalent part numbers from authorized distributors for direct substitution. Verify that any alternative maintains identical pin count, shell size, and coupling type. Ensure material composition and contact plating specifications remain consistent to preserve electrical integrity.