Based on this product's specifications, here are some alternatives and similar models
Goobay RP-SMA Crimp Plug Goobay 51697
Summary description:
The Goobay RP-SMA Crimp Plug is designed for RG-58 cables, featuring a diameter of 5.5 mm and a depth of 15.5 mm. This connector type ensures a reliable connection for various applications. Packaged in a polybag, it includes 1 piece per pack, making it convenient for individual use. Ideal for enhancing your RF connections.