| PartNumber | 4-174639-2 | 4-174637-0 | 4-174637-7 |
| Description | Board to Board & Mezzanine Connectors 1.25FP,R12,DL,B,N,BG | Board to Board & Mezzanine Connectors 1.25FP,R04,SL,B,N,BG | Board to Board & Mezzanine Connectors 1.25FP R04 SL B N BG |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| RoHS | Y | Y | Y |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Factory Pack Quantity | 500 | 500 | 250 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Part # Aliases | 4-174639-2 | 4-174637-0 | 4-174637-7 |