There are two locations within FactoryMaster where you can set the default nominal codes for purchases:
At the Stock Category level
Go to Stock
Click on Stock Maintenance Menu
Choose Stock Categories
The third column in this menu is 'Default Nominal for Purchases '. If known you can type the nominal code in manually or you can press F5 to bring up a list of nominals to choose from
At the part level
Go to Stock
Click on Stocked Parts Menu
Choose Stocked Parts
Select the Nominal tab
The farthest right column is titled 'Purchases '
