Amphenol Aerospace MIL Spec Circular Connector 4 Contacts Copper Alloy Gold Plated Straight Quick Coupling D38999/20KG75PN

Amphenol Aerospace D38999/20KG75PN MIL Spec Circular Connector is a high-reliability 4-contact connector engineered to meet MIL-DTL-38999 series III standards. Constructed with copper alloy contacts plated in gold, this connector ensures superior electrical performance and resistance to corrosion. Suitable for use in demanding industrial, military, aerospace, and electronic applications, the connector offers a straight body design with a quick coupling threaded mating mechanism for efficient and secure assembly.

Operating temperature range spans from a minimum of -65°C up to a maximum of 200°C, making it robust under extreme environmental conditions. The screw termination type delivers a solid mechanical and electrical connection, preventing signal loss or disconnects in high vibration environments. Its self-locking feature enhances operational reliability while superior EMI shielding protects against electromagnetic interference, essential in sensitive electronic and aerospace systems.

This MIL-DTL-38999 series III type connector is ideal for harsh environment use cases, including aerospace avionics, industrial controls, defense electronics, and transportation systems requiring secure and durable electrical connections. The precise manufacturing standards and high-grade material selection enable long service life and consistent performance.

The product is made in Mexico to meet international military and aerospace quality mandates, assuring compliance and traceability for critical installations. This 4-contact connector balances compact form factor with rugged construction for versatile mounting and wiring configurations.

Designed for MIL-DTL-38999 military specification compliance. Copper alloy contacts with gold plating for enhanced conductivity and corrosion resistance. Straight orientation with a quick coupling threaded mating system for rapid secure connection.

Operational temperature range from -65°C to 200°C for harsh environments. Screw termination type for robust electrical and mechanical integrity. Self-locking mechanism for reliable vibration resistance. Superior EMI shielding to protect sensitive electronic circuits.

Manufactured in Mexico under strict aerospace quality standards.

Explore the full range of Mil Spec Circular Connectors on EnvMart for advanced industrial, laboratory, aerospace, and defense applications requiring dependable circular connector solutions.