Cream Separator 80-100 L Spare Part MSSP #19 Drum Nut MSSP # 19 Drum Nut is used to hold the drum parts together. For cream fat regulating nut, see MSSP # 13 SlavicBeauty offers all spare parts from US warehouses or Amazon Prime listings, which means we can quickly deliver the spare part. All the parts are original. The spare parts are interchangeable. If you have a metal model # 18 and would like to get a plastic milk bowl that initially comes with model # 19, it will fit your separator. If you have any questions, please do not hesitate to contact us. All the parts are available in our Amazon catalog. If you do not see the part you need, let us know. We will help you find it. The spare parts are compatible with SlavicBeauty 26Gal separators and The Ukrainian Motor Sich Models 26 Gal/ 100L/H