| PartNumber | 748979-1 | 748901-1 | 748952-1 |
| Description | D-Sub Standard Connectors HD-20 9P SOCKET | D-Sub Standard Connectors HD-20 25P PLUG | D-Sub Standard Connectors 15 APIII PLUG 590 (S |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | D-Sub Standard Connectors | D-Sub Standard Connectors | D-Sub Standard Connectors |
| RoHS | N | N | N |
| Number of Positions | 9 Position | 25 Position | 15 Position |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Shell Size | 1 (E) | 3 (B) | 2 (A) |
| Contact Plating | Gold | Gold | Gold |
| Packaging | Tray | - | - |
| Gender | Female | Female | - |
| Type | Receptacle | Receptacle | - |
| Filtered | Unfiltered | Unfiltered | Unfiltered |
| Series | HD-20 | HD-20 | HD-20 |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Brass |
| Insert Arrangement | E09 | B25 | A15 |
| Product Type | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density |
| Factory Pack Quantity | 130 | 65 | 112 |
| Subcategory | D-Sub Connectors | D-Sub Connectors | D-Sub Connectors |
| Tradename | AMPLIMITE | - | - |
| Part # Aliases | 748979-1 | - | - |