| PartNumber | 21033386405 | 21033392301 | 21033301300 |
| Description | Circular Metric Connectors M12-B 4PIN FML STRT SNGL END 0.5M RECEPT | Ethernet Cables / Networking Cables M12 FLNGE SKT W/WIRE 5POL B-CODE | Circular Metric Connectors M12 5POL PNL FEEDTHRU B-CODE |
| Manufacturer | HARTING | HARTING | - |
| Product Category | Circular Metric Connectors | Ethernet Cables / Networking Cables | - |
| RoHS | Y | Y | - |
| Product Type | Circular Metric Connectors | Ethernet Cables / Networking Cables | - |
| Number of Contacts | 4 Contact | - | - |
| Thread Size | M12 | - | - |
| Termination Style | Wire | - | - |
| Coding | B Coded | - | - |
| IP Rating | IP67 | - | - |
| Body Style | Straight | - | - |
| Gender | Female | Female | - |
| Shell Style | Receptacle | - | - |
| Brand | HARTING | HARTING | - |
| Contact Gender | Socket (Female) | - | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Circular Connectors | Cable Assemblies | - |
| Unit Weight | 1.075856 oz | - | - |
| Connector End A | - | M12, Circular | - |
| Connector End A Pin Count | - | 5 Position | - |
| Connector End B | - | No Connector | - |
| Number of Conductors | - | 5 | - |
| Current Rating | - | 4 A | - |
| Series | - | M12 B-CODED | - |
| Part # Aliases | - | 03 21 21-03-339-2301 2301 339 | - |