| PartNumber | MP2-PS300-51P1-KR | MP2-PS300-51P1-LR | MP2-PS300-51S1-KR |
| Description | Hard Metric Connectors 300P/5R/MP2/HDR/INV /STK/4.03 PRFT/30AU | Hard Metric Connectors 300P/5R/MP2/HDR/INV STK/4.03 PRFT/30PDNI | Hard Metric Connectors MP2/HDR/INVSTKG/300P /5R/4.03MM/30AU |
| Manufacturer | 3M | 3M Electronic Solutions Division | 3M Electronic Solutions Division |
| Product Category | Hard Metric Connectors | Backplane Connectors - Hard Metric, Standard | Backplane Connectors - Hard Metric, Standard |
| Product | Headers | Headers | Headers |
| Brand | 3M Electronic Solutions Division | - | - |
| Product Type | Hard Metric Connectors | - | - |
| Factory Pack Quantity | 80 | - | - |
| Subcategory | Backplane Connectors | - | - |
| Part # Aliases | 05111193931 70010022492 | - | - |
| Part Aliases | - | 05111560102 70010029927 | 05111560100 70010029943 |