Gross requirements of MRP System
Accumulation of demand for this item from all sources independent and dependent. For instance, customer orders, spare part requirements, replacement part requirements or stock order requirements.
Master production schedule
Accumulation of all gross requirements stated as a planned delivery schedule.
Anticipated completions due to orders previously released. Scheduled receipts are also referred to as 'open orders'. Scheduled receipts are created once planned orders have been released. A planned order, once released, is considered a scheduled receipt and is moved to that category.
A category of stock which denotes the quantity of stock currently available for usage. This must be differentiated from allocated stock which is available but not free to be disbursed.