Based on this product's specifications, here are some alternatives and similar models
Wire connector EFB Elektronik D-Sub 15-pin 29471.1, zinc silver, 33×47 mm, Ø 1.3 cm
Summary description:
EFB Elektronik 29471.1 is a D‑Sub 15‑pin wire connector made of zinc with a silver finish. Intended for connecting 15‑pin D‑Sub interfaces, it measures 33 mm width and 47 mm depth with an outer diameter of 1.3 cm. Supplied as a single piece per pack, it suits repair, cable assembly and electronics projects requiring a compact metal D‑Sub connection.