MRP glossary TOP > Material Planning > Single Pegging
Single Pegging
It is a method to have relationship between a certain order and the oder of its one upper level, where it is impossible to know a product order directly from lower level orders. To know it, orders of one upper level of each one should be checked.
![mrp_056.jpg](http://www.asprova.jp/mrp/glossary/en/assets_c/2011/09/mrp_056-thumb-400x473-1323.jpg)
Reference:JIT Business Research Mr. Hirano Hiroyuki
Single Level Requirements Explosion | Material Planning | Spare Allocation