The 66565-2 is a loose piece socket contact designed for precision pin and socket connector applications. It accommodates 24-20 AWG wire (0.2-0.6 mm²) with an insulation diameter range of 0.060-0.120 inches (1.52-3.05 mm) and is available with selective gold/nickel or bright tin-lead contact finish. The contact features a phosphor bronze socket body with brass pin body construction and stainless steel retention spring, providing reliable electrical performance and mechanical durability. It is compatible with AMP M Series, CPC (Circular Plastic Connectors), Circular Metal-Shell, Metrimate, and G Series connector housings. This contact is commonly used in signal and power applications requiring secure, low-resistance connections in industrial, telecommunications, and automotive environments.