The 1551 is a clamp BNC straight plug connector designed for use with a variety of RF coaxial cables, including RG58, RG58A, RG141, RG141A, RG400/U, and Belden cables such as 8240, 8259, 8262, 9501, 9203, 9310, and 9311. It features a nickel-plated brass body with a gold-plated brass center contact and is insulated with Delrin. Suitable for RF communications and industrial applications.