Is it Possible to Create a Custom Transaction Like Inventory Adjustment?

I would like to create a custom transaction that has the same GL Impact as Inventory Adjustment.  Ideally something with it’s own naming and numbering. The custom transactions I see in NetSuite relate more to Sales, Purchasing, Expense, or Journal.  Is it possible to create such a custom transaction?

The purpose is for internal consumption of inventory – we inventory many parts and supplies that we use internally – so I simply need to reduce the qty on hand and expense them into the right accounts w/ the right classifications. I would like to keep actual adjustments (for corrections) and internal consumption separate.