The Hummel 1.623.2100.15 electronic part is a cable gland with strain relief, manufactured to PG21 specification, and has an IP68 protection rating. This cable gland is specially designed to protect electrical cables against environmental influences, such as water, dust, and heat. It is suitable for a variety of applications, such as automotive, marine, and industrial, and offers a secure connection and strain relief for cables. This part is made from high-quality materials for maximum strength and durability, making it an ideal choice for harsh conditions.