| PartNumber | M39029/83-508 | M39029/83-451 | M39029/83-450 |
| Description | Circular MIL Spec Contacts PIN 20 GA | Circular MIL Spec Contacts PIN 20/28 GA | Circular MIL Spec Contacts CONT PIN |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Circular MIL Spec Contacts | Circular MIL Spec Contacts | - |
| RoHS | Y | Y | - |
| MIL Type | MIL-DTL-39029 | MIL-DTL-39029 | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Contact Size | 20 | 20 | - |
| Wire Gauge | 24 AWG - 20 AWG | 32 AWG - 28 AWG | - |
| Termination Style | Crimp | Crimp | - |
| Contact Plating | Gold | Gold | - |
| Contact Type | Pin & Socket Contacts | Pin & Socket Contacts | - |
| Product | Contacts | Contacts | - |
| Brand | TE Connectivity / DEUTSCH | TE Connectivity / DEUTSCH | - |
| Product Type | Circular MIL Spec Contacts | Circular MIL Spec Contacts | - |
| Factory Pack Quantity | 5000 | 1 | - |
| Subcategory | Circular Connectors | Circular Connectors | - |
| Part # Aliases | 2560-220-2031 | 2560-222-2031 | - |