71-528265-42T

Overview

The Amphenol Aerospace Operations part number 71-528265-42T is a circular MIL-spec connector receptacle belonging to the Series 38999 family. It features a shell size of 16 and provides 42 positions for signal or power transmission. The contacts are female sockets designed for crimp termination, ensuring reliable electrical connections in demanding environments. This component utilizes a bayonet coupling mechanism for secure mating and includes an aluminum alloy housing with electroless nickel plating for corrosion resistance. It is rated for 7.5 A current and operates at voltages up to 600 VAC and 850 VDC.

Feature Summary

• Bayonet coupling system ensures rapid and secure connection retention under vibration.
• Aluminum alloy housing with electroless nickel plating provides durability and environmental protection.
• Crimp socket contacts offer robust electrical performance for high-density applications.

Applications

• Military avionics systems requiring rugged interconnects
• Defense ground vehicle electronic architectures
• Naval shipboard communication and control equipment

Procurement Notes

Verify the specific suffix codes against the manufacturer's latest datasheet to confirm contact material, plating thickness, and environmental sealing ratings. Ensure compatibility with corresponding plug housings within the same series. Confirm that the crimp tooling matches the specified contact sizes for proper termination integrity.

Selection Notes

Select this component when a high-density 42-position MIL-DTL-38999 III receptacle is required. Consider the straight panel mount style and wall-mount orientation for integration into existing chassis designs. Evaluate the need for environmental seals if operating in harsh conditions beyond standard specifications.

Part Context

This part belongs to the extensive Series 38999 family of circular connectors, widely used in aerospace and defense sectors. It represents a standardized interface solution offering interchangeability with other manufacturers' products adhering to the same military specification standards for form, fit, and function.

Replacement Considerations

Cross-reference with equivalent parts from other MIL-DTL-38999 III manufacturers such as TE Connectivity or ITT Cannon. Verify dimensional tolerances and contact arrangements before substitution to ensure mechanical and electrical compatibility.

FAQ

What is the coupling mechanism for this connector?

It uses a bayonet coupling mechanism for quick and secure engagement.

What is the contact type for position 71-528265-42T?

The contacts are female sockets designed for crimp termination.