| PartNumber | MS3100A18-20S-RES | MS3100A18-20P | MS3100A18-20S |
| Description | Circular MIL Spec Connector ER 5C 5#16 SKT RECP | Circular MIL Spec Connector 5P SIZE 18 WALL MNT RECEPTACLE PIN 5015 | Circular MIL Spec Connector 5P SIZE 18 WALL MNT RECEPTACLE SKT 5015 |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| RoHS | N | N | N |
| Brand | Amphenol Industrial | Amphenol Industrial | Amphenol Industrial |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Number of Positions | - | 5 Position | 5 Position |
| Insert Arrangement | - | 18-20 | 18-20 |
| Contact Gender | - | Pin (Male) | Socket (Female) |
| MIL Type | - | MIL-DTL-5015 | MIL-DTL-5015 |
| Product | - | Receptacles | Receptacles |
| Shell Size | - | 18 | 18 |
| Shell Style | - | Wall Mount | Wall Mount |
| Series | - | MS 5015 | MS 5015 |
| Shell Plating | - | Olive Drab Chromate over Cadmium | Olive Drab Chromate over Cadmium |
| Tradename | - | 5015 | 5015 |
| Part # Aliases | - | MS310OA18-20P MS31O0A18-20P MS31OOA18-20P U61-168018-20P | MS310OA18-20S MS31O0A18-20S MS31OOA18-20S U61-168018-20S |