21-057-0 RF CONNECTOR. SCREW ON STYLE MALE “F” CONNECTOR FOR RG59/U

21-057-0 is a high-quality F series male RF connector engineered for reliable signal transmission in RF, test, and communication applications. Designed to deliver consistent electrical performance, this connector features a straight, cord mount free-hanging, screw on configuration compatible with RG59 coaxial cables.

The 21-057-0 is constructed from brass with a nickel-plated body, with no insulator, the connector provides solid mechanical durability and corrosion resistance for repeated mating cycles. Its interface ensures secure connection, consistent signal integrity, and reliable performance in a variety of installation environments.

This combination of durable construction, controlled impedance, and efficient coupling makes it ideal for test equipment, instrumentation, RF laboratories, video systems, and general-purpose communication applications. Trusted by engineers and technicians alike, it offers a practical and reliable solution for a variety of RF connectivity needs.