| PartNumber | 172-E50-202-021 | 172-E50-202-031 | 172-E50-202-911 |
| Description | D-Sub Standard Connectors 50 POS. SO./CUP FEM. .250" NUTS B/S | D-Sub Standard Connectors 50 POS. SO./CUP FEM. .250" NUTS M/S | D-Sub Standard Connectors 50 POS. SO./CUP FEM. .225" SP/BL B/S |
| Manufacturer | NorComp | NorComp | NorComp |
| Product Category | D-Sub Standard Connectors | D-Sub Standard Connectors | D-Sub Standard Connectors |
| RoHS | N | N | N |
| Number of Positions | 50 Position | 50 Position | 50 Position |
| Contact Gender | Socket (Female) | Socket (Female) | Socket (Female) |
| Termination Style | Through Hole | Through Hole | Solder |
| Mounting Angle | Straight | Straight | Straight |
| Shell Size | 5 (D) | 5 (D) | 5 (D) |
| Contact Plating | Gold | Gold | Gold |
| Packaging | Tray | Tray | Tray |
| Gender | Female | Female | Female |
| Type | Receptacle | Receptacle | Receptacle |
| Shell Material | Steel | Steel | Steel |
| Shell Plating | Tin | Tin | - |
| Current Rating | 5 A | 5 A | 5 A |
| Filtered | Unfiltered | Unfiltered | Unfiltered |
| Series | 172 | 172 | 172 |
| Brand | NorComp | NorComp | NorComp |
| Product Type | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density |
| Factory Pack Quantity | 40 | 40 | 40 |
| Subcategory | D-Sub Connectors | D-Sub Connectors | D-Sub Connectors |