71-432198-21P

Overview

The 71-432198-21P is a circular MIL-spec connector manufactured by Amphenol Aerospace Operations. It functions as a plug assembly designed for reliable electrical interconnections in demanding environments. The component features a size 22 shell and utilizes a 21-position contact arrangement. It incorporates gold-plated contacts to ensure signal integrity and corrosion resistance. The design supports crimp termination methods for secure wire attachment. This connector adheres to MIL-DTL-26482 Series II standards, ensuring compatibility with established military specifications for ruggedized electronic systems.

Feature Summary

• Gold-plated contacts provide enhanced conductivity and environmental protection
• Crimp termination ensures robust mechanical and electrical wire connections
• Size 22 shell offers compact form factor for space-constrained installations

Applications

• Aerospace avionics systems
• Military communication equipment
• Ruggedized industrial control panels

Procurement Notes

Verify the specific datasheet version and manufacturing origin before procurement. Confirm that the supplier is an authorized distributor of Amphenol Aerospace Operations products to guarantee authenticity. Ensure the ordering suffix matches the required cable strain relief or mounting configuration. Request certification documents to validate compliance with applicable military standards and material specifications.

Selection Notes

Select this model when a size 22 circular plug with 21 positions is required. Verify that the mating receptacle shares the same shell size and contact arrangement. Confirm that the operating environment temperature range aligns with the connector's rated specifications. Ensure the cable diameter accommodates the specified crimp terminals for proper strain relief.

Part Context

This part belongs to the family of circular connectors defined by MIL-DTL-26482 Series II. These connectors are engineered for high reliability in harsh conditions. The series provides standardized interfaces for critical electronic applications. The 71-432198-21P represents a specific configuration within this broader ecosystem, focusing on multi-pin signal transmission capabilities.

Replacement Considerations

Compatible substitutes include MS3470L22-21P and D38999 Series II equivalents. Verify cross-compatibility regarding shell size, thread type, and contact positioning. Ensure that any replacement maintains the same current rating and environmental sealing characteristics.