Spare materials
A transformer is made of several different parts that function in their own different ways to enhance the overall functioning of a transformer. These include core, windings, insulating materials, transformer oil, tap changer, conservator, breather, cooling tubes, Buchholz Relay and explosion vent.
Spare parts are nothing but products of type Material. It is only the usage that differs. A spare part can be used in a service order, Service confirmation, Complaint, In-house repair order. It is also used synonymous to the term Service Parts. SRVM is the standard item cateogory used for a spare part item.