Common Business Areas
Bill of Materials (BOM) A Bill of Material is a complete, formally structured list of the components that makes up a product or assembly. A BOM represents a parent/child relationship between a weapon system or end item, its assemblies, its subassembly components, together with the item number, quantity and unit of measure.
Business Workplace (SBWP) The GCSS-Army internal communications network consisting of an EMAIL capability and a WORKFLOW messaging structure. The WORKFLOW process is used to send transactions to Materiel Managers for review.

Legacy equivalent: Manager Review File (MRF).
Company Code-Army Identifies tactical Army as an organization for logistics and financial accounting.
Customer Master Contains critical customer information relating to accounts and locations and unique information about customer sets. Included are agency data required to conduct logistics processes, such as Department of Defense Automatic Addressing Codes (DODAACs), Unit Identification Codes (UICs), and geographic data.
Equipment Master Equipment Master is the representation of an individual asset or component in GCSS-Army. It contains the data necessary to store and maintain the description and specifications for the item and perform relevant maintenance activities. Included are critical serial numbers for air and ground systems, as well as selected sets of critical components such as critical air safety items.
Force Element (FE) An organizational object, or element (such as a Brigade/Regiment, Troop/Battery/Company, Platoon, or Squad/Section), that is uniquely identified and is part of the GCSS-Army organizational structure. This structure is defined by the Modified Table of Organization and Equipment and the Table of Distribution and Allowances (MTOE/TDA). In addition to a long-text title, each FE has a system-generated, eight-digit object ID number and is assigned a UIC-based unit abbreviation.
Inbound Delivery Inbound deliveries are created from purchase orders and stock transport orders as a notification and record that an item has been shipped.
Material An item of supply or property.
Material Number The material number is uses by the customer to order supply or property.

Legacy equivalent: Stock number or part number.
Material Planning Object (MPO) Non-expendable items of equipment are identified in GCSS-Army as material planning objects (MPO). An MPO number is created for each piece of equipment. This number remains with the equipment throughout its life cycle. LINs are the building blocks for MPOs.
Material Requirements Planning (MRP) A process within GCSS-Army that calculates the quantities needed to satisfy projected consumption or to meet immediate requirements. The planned and the exact requirements quantities trigger the net requirements calculation. The system calculates net requirements for all materials that are to be planned.

Legacy equivalent: Requirements Determination, Net Asset Computation.
Material Reservation A request or instruction to procure a quantity of a material so that it is available at a specific time.
Movement Type A three digit code that identifies the reason and type of material movement that is being conducted in GCSS-Army.
MRP Area The virtual instance where materials are planned identified by a Force Element number followed by an:
  1. UNDERBAR P (_P) indicating Provision/Consumable
  2. UNDERBAR S (_S) indicating Stock/Property Book item
MRP Planning Run The running of a series of batch jobs in order to execute the Materiel Requirements Planning process.
MRP Type Defines how a material will be planned. GCSS-Army uses the following:
  1. PD – Material Requirements Planning
  2. VV – Forecast-based Planning
  3. ZM – Mandatory with Safety Stock
  4. ZP – Provisional with Safety Stock
  5. ZV – ROP with All Requirements
  6. ND – No Planning
Legacy equivalent: Stockage List Code (SLC).
Notification A notification is the alert process that informs an end user that some type of action is required for Army equipment.
Outbound Delivery Monitor (OBD) A GCSS-Army process that allows a manager to view of all Outbound Deliveries. Outbound Deliveries are goods placed into customer bins for pickup or staged for delivery.
Plant 2000 or 2001 A data element used to designate the financial category of material. Plant 2000 is Operation and Maintenance Activity (OMA) and is used to identify all items in organizational Supply. Plant 2001 is Army Working Capital Fund (AWCF) which is items in the Retail Supply System.
Post Goods Issue (PGI) The issuing of supplies to a customer or external vendor.
Provisions Provisions are used for the planning of consumable items that a Unit needs to perform its tasks and missions. Examples of Provision usage are Shop Stock, ASL and Basic Load.
Purchase Order (PO) Document Types A TWO digit character code (45) used to Identify the type of Purchase Order transaction being performed.
Purchase Requisition (PR) A request from a customer to a supplier (PBO, SSA or External Vendor) to deliver a quantity of material or to perform services at a given point in time, before converting the PR to a Purchase Order (PO).
Standard Unit of Measure Specifies which unit of measure is used for calculations in the MRP list and the stock/requirements list.
Stock Non-expendable items of equipment identified in GCSS-Army as Material Planning Objects (MPO). An MPO number is created for each piece of equipment.
Stock Transport Order (STO) Used to transfer stock from plant to plant or storage location to storage location. Stock Transport Orders are used for bin-to-bin movements within the same storage location.
Storage Location Physical location where inventory is stored or virtual location where inventory is planned.
Supersession Chain (SSC) In GCSS-Army, all substitute parts are part of a supersession chain (SSC). The SSC lists the prime number and valid substitutes within that chain.

Legacy equivalent: Interchangeability and Substitutability (I&S).
Vendor Master This data set contains critical information for approved vendors relating to accounts and locations, and unique information relating to products and services approved for purchase. In GCSS-Army, the vendor master consists of data from the Defense Logistics Information Service’s Central Contractor Registry and the DOD Routing Identifier Code.
Work Order Settlement The process of moving labor cost incurred (Activity Type Hours times Activity Price) from the work order object to a cost center associated with the work order.
Work Center A Work Center is used to define work organizations/resources (people, tools and equipment) to be used in the maintenance processing to plan and execute the actual work.