The electronic part 1.634.2500.51 with Cable gland, manufactured by Hummel, is an M25 cable gland for outdoor, waterproof, industrial applications. It has a long thread and is constructed from brass, making it highly durable and suitable for use in the most rugged environments. It meets industry-standard rating of IP68 for use in applications such as those exposed to dust, dirt, rain, snow, spray, or fluid.