Based on this product's specifications, here are some alternatives and similar models
BNC connector screw-type for PB5980C series cable, electro base 5980NC-SC
Summary description:
Screw-type BNC connector for PB5980C series cable by electro base (model 5980NC-SC). Designed to terminate coaxial cable from the PB5980C family, providing a bayonet-style RF connection suitable for video, CCTV and RF signal transmission. Provides mechanical fastening via screw termination; intended for field assembly or equipment repair where a compatible threaded BNC interface is required.