| PartNumber | M39029/18-177 | M39029/18-178 |
| Description | Circular MIL Spec Contacts PIN 23/22 GA | Circular MIL Spec Contacts PIN 20 GA |
| Manufacturer | TE Connectivity | TE Connectivity |
| Product Category | Circular MIL Spec Contacts | Circular MIL Spec Contacts |
| Product | Contacts | Contacts |
| Brand | TE Connectivity / DEUTSCH | TE Connectivity / DEUTSCH |
| Product Type | Circular MIL Spec Contacts | Circular MIL Spec Contacts |
| Subcategory | Circular Connectors | Circular Connectors |
| Part # Aliases | 81541-23 | 81541-20 |
| Unit Weight | 0.002382 oz | - |
| Factory Pack Quantity | - | 10 |