PartNumberClassType 
An identifier of a part or product moving through the manufacturing process. An identifier of a part or product moving through the manufacturing process. The valid data value must be a text string.
The representation of the PartNumberClassType ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=2377 |
| NamespaceUri | http://opcfoundation.org/UA/MTConnect/v2/ |
| BrowseName | PartNumberClassType |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | MTStringEventClassType |