| PartNumber | 66578-7 | 66578-4 | 66578-2 |
| Description | Standard Circular Contacts TYPE VI SOCKET MULTI-MATE | Standard Circular Contacts TYPE VI SOCKET MULTI-MATE | Standard Circular Contacts TYPE VI SKT CONT MULTI-MATE |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Standard Circular Contacts | Standard Circular Contacts | Standard Circular Contacts |
| RoHS | Y | N | Y |
| Series | Multimate Type VI | Multimate Type VI | Multimate Type VI |
| Packaging | Reel | Reel | Reel |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Product Type | Standard Circular Contacts | Standard Circular Contacts | Standard Circular Contacts |
| Factory Pack Quantity | 5000 | 5000 | 5000 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Tradename | Multimate | Multimate | Multimate |
| Part # Aliases | 66578-7 | 66578-4 | 66578-2 |