| AA | Product version number |
| Number assigned by manufacturer or seller to identify the release of a product. |
| AB | Assembly |
| The item number is that of an assembly. |
| AC | HIBC (Health Industry Bar Code) |
| Article identifier used within health sector to indicate data used conforms to HIBC. |
| AD | Cold roll number |
| Number assigned to a cold roll. |
| AE | Hot roll number |
| Number assigned to a hot roll. |
| AF | Slab number |
| Number assigned to a slab, which is produced in a particular production step. |
| AG | Software revision number |
| A number assigned to indicate a revision of software. |
| AH | UPC (Universal Product Code) Consumer package code (1-5-5) |
| An 11-digit code that uniquely identifies consumer packaging of a product; does not have a check digit. |
| AI | UPC (Universal Product Code) Consumer package code (1-5-5-1) |
| A 12-digit code that uniquely identifies the consumer packaging of a product, including a check digit. |
| AJ | Sample number |
| Number assigned to a sample. |
| AK | Pack number |
| Number assigned to a pack containing a stack of items put together (e.g. cold roll sheets (steel product)). |
| AL | UPC (Universal Product Code) Shipping container code (1-2-5-5) |
| A 13-digit code that uniquely identifies the manufacturer's shipping unit, including the packaging indicator. |
| AM | UPC (Universal Product Code)/EAN (European article number) Shipping container code (1-2-5-5-1) |
| A 14-digit code that uniquely identifies the manufacturer's shipping unit, including the packaging indicator and the check digit. |
| AN | UPC (Universal Product Code) suffix |
| A suffix used in conjunction with a higher level UPC (Universal product code) to define packing variations for a product. |
| AO | State label code |
| A code which specifies the codification of the state's labelling requirements. |
| AP | Heat number |
| Number assigned to the heat (also known as the iron charge) for the production of steel products. |
| AQ | Coupon number |
| A number identifying a coupon. |
| AR | Resource number |
| A number to identify a resource. |
| AS | Work task number |
| A number to identify a work task. |
| AT | Price look up number |
| Identification number on a product allowing a quick electronic retrieval of price information for that product. |
| AU | NSN (North Atlantic Treaty Organization Stock Number) |
| Number assigned under the NATO (North Atlantic Treaty Organization) codification system to provide the identification of an approved item of supply. |
| AV | Refined product code |
| A code specifying the product refinement designation. |
| AW | Exhibit |
| A code indicating that the product is identified by an exhibit number. |
| AX | End item |
| A number specifying an end item. |
| AY | Federal supply classification |
| A code to specify a product's Federal supply classification. |
| AZ | Engineering data list |
| A code specifying the product's engineering data list. |
| BA | Milestone event number |
| A number to identify a milestone event. |
| BB | Lot number |
| A number indicating the lot number of a product. |
| BC | National drug code 4-4-2 format |
| A code identifying the product in national drug format 4-4-2. |
| BD | National drug code 5-3-2 format |
| A code identifying the product in national drug format 5-3-2. |
| BE | National drug code 5-4-1 format |
| A code identifying the product in national drug format 5-4-1. |
| BF | National drug code 5-4-2 format |
| A code identifying the product in national drug format 5-4-2. |
| BG | National drug code |
| A code specifying the national drug classification. |
| BH | Part number |
| A number indicating the part. |
| BI | Local Stock Number (LSN) |
| A local number assigned to an item of stock. |
| BJ | Next higher assembly number |
| A number specifying the next higher assembly or component into which the product is being incorporated. |
| BK | Data category |
| A code specifying a category of data. |
| BL | Control number |
| To specify the control number. |
| BM | Special material identification code |
| A number to identify the special material code. |
| BN | Locally assigned control number |
| A number assigned locally for control purposes. |
| BO | Buyer's colour |
| Colour assigned by buyer. |
| BP | Buyer's part number |
| Reference number assigned by the buyer to identify an article. |
| BQ | Variable measure product code |
| A code assigned to identify a variable measure item. |
| BR | Financial phase |
| To specify as an item, the financial phase. |
| BS | Contract breakdown |
| To specify as an item, the contract breakdown. |
| BT | Technical phase |
| To specify as an item, the technical phase. |
| BU | Dye lot number |
| Number identifying a dye lot. |
| BV | Daily statement of activities |
| A statement listing activities of one day. |
| BW | Periodical statement of activities within a bilaterally agreed time period |
| Periodical statement listing activities within a bilaterally agreed time period. |
| BX | Calendar week statement of activities |
| A statement listing activities of a calendar week. |
| BY | Calendar month statement of activities |
| A statement listing activities of a calendar month. |
| BZ | Original equipment number |
| Original equipment number allocated to spare parts by the manufacturer. |
| CC | Industry commodity code |
| The codes given to certain commodities by an industry. |
| CG | Commodity grouping |
| Code for a group of articles with common characteristics (e.g. used for statistical purposes). |
| CL | Colour number |
| Code for the colour of an article. |
| CR | Contract number |
| Reference number identifying a contract. |
| CV | Customs article number |
| Code defined by Customs authorities to an article or a group of articles for Customs purposes. |
| DR | Drawing revision number |
| Reference number indicating that a change or revision has been applied to a drawing. |
| DW | Drawing |
| Reference number identifying a drawing of an article. |
| EC | Engineering change level |
| Reference number indicating that a change or revision has been applied to an article's specification. |
| EF | Material code |
| Code defining the material's type, surface, geometric form plus various classifying characteristics. |
| EN | International Article Numbering Association (EAN) |
| Number assigned to a manufacturer's product according to the International Article Numbering Association. |
| GB | Buyer's internal product group code |
| Product group code used within a buyer's internal systems. |
| GN | National product group code |
| National product group code. Administered by a national agency. |
| GS | General specification number |
| The item number is a general specification number. |
| HS | Harmonised system |
| The item number is part of, or is generated in the context of the Harmonised Commodity Description and Coding System (Harmonised System), as developed and maintained by the World Customs Organization (WCO). |
| IB | ISBN (International Standard Book Number) |
| A unique number identifying a book. |
| IN | Buyer's item number |
| The item number has been allocated by the buyer. |
| IS | ISSN (International Standard Serial Number) |
| A unique number identifying a serial publication. |
| IT | Buyer's style number |
| Number given by the buyer to a specific style or form of an article, especially used for garments. |
| IZ | Buyer's size code |
| Code given by the buyer to designate the size of an article in textile and shoe industry. |
| MA | Machine number |
| The item number is a machine number. |
| MF | Manufacturer's (producer's) article number |
| The number given to an article by its manufacturer. |
| MN | Model number |
| Reference number assigned by the manufacturer to differentiate variations in similar products in a class or group. |
| MP | Product/service identification number |
| Reference number identifying a product or service. |
| NB | Batch number |
| The item number is a batch number. |
| ON | Customer order number |
| Reference number of a customer's order. |
| PD | Part number description |
| Reference number identifying a description associated with a number ultimately used to identify an article. |
| PL | Purchaser's order line number |
| Reference number identifying a line entry in a customer's order for goods or services. |
| PO | Purchase order number |
| Reference number identifying a customer's order. |
| PV | Promotional variant number |
| The item number is a promotional variant number. |
| QS | Buyer's qualifier for size |
| The item number qualifies the size of the buyer. |
| RC | Returnable container number |
| Reference number identifying a returnable container. |
| RN | Release number |
| Reference number identifying a release from a buyer's purchase order. |
| RU | Run number |
| The item number identifies the production or manufacturing run or sequence in which the item was manufactured, processed or assembled. |
| RY | Record keeping of model year |
| The item number relates to the year in which the particular model was kept. |
| SA | Supplier's article number |
| Number assigned to an article by the supplier of that article. |
| SG | Standard group of products (mixed assortment) |
| The item number relates to a standard group of other items (mixed) which are grouped together as a single item for identification purposes. |
| SK | SKU (Stock keeping unit) |
| Reference number of a stock keeping unit. |
| SN | Serial number |
| Identification number of an item which distinguishes this specific item out of a number of identical items. |
| SRS | RSK number |
| Plumbing and heating. |
| SRT | IFLS (Institut Francais du Libre Service) 5 digit product classification code |
| 5 digit code for product classification managed by the Institut Francais du Libre Service. |
| SRU | IFLS (Institut Francais du Libre Service) 9 digit product classification code |
| 9 digit code for product classification managed by the Institut Francais du Libre Service. |
| SRV | EAN.UCC Global Trade Item Number |
| A unique number, up to 14-digits, assigned according to the numbering structure of the EAN.UCC system. 'EAN' stands for the 'International Article Numbering Association', and 'UCC' for the 'Uniform Code Council'. |
| SRW | EDIS (Energy Data Identification System) |
| European system for identification of meter data. |
| SS | Supplier's supplier article number |
| Article number referring to a sales catalogue of supplier's supplier. |
| ST | Style number |
| Number given to a specific style or form of an article, especially used for garments. |
| TG | Transport group number |
| (8012) Additional number to form article groups for packing and/or transportation purposes. |
| UA | Ultimate customer's article number |
| Number assigned by ultimate customer to identify relevant article. |
| UP | UPC (Universal product code) |
| Number assigned to a manufacturer's product by the Product Code Council. |
| VN | Vendor item number |
| Reference number assigned by a vendor/seller identifying a product/service/article. |
| VP | Vendor's (seller's) part number |
| Reference number assigned by a vendor/seller identifying an article. |
| VS | Vendor's supplemental item number |
| The item number is a specified by the vendor as a supplemental number for the vendor's purposes. |
| VX | Vendor specification number |
| The item number has been allocated by the vendor as a specification number. |
| ZZZ | Mutually defined |
| A code assigned within a code list to be used on an interim basis and as defined among trading partners until a precise code can be assigned to the code list. |
