| PartNumber | MS3100E18-10SY | MS3100E18-10S | MS3100E18-10PY |
| Description | Circular MIL Spec Connector ER 4C 4#12 SKT R ECP WALL | Circular MIL Spec Connector 4P SIZE 18 WALL MNT RECEPTACLE SKT 5015 | Circular MIL Spec Connector ER 4C 4#12 PIN RECP |
| 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 | - | 4 Position | 4 Position |
| Insert Arrangement | - | 18-10 | 18-10 |
| Contact Gender | - | Socket (Female) | Pin (Male) |
| 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 |
| Shell Plating | - | Olive Drab Chromate over Cadmium | Olive Drab Chromate over Cadmium |
| Tradename | - | 5015 | - |
| Part # Aliases | - | MS310OE18-10S MS31O0E18-10S MS31OOE18-10S U10-169068-10S | 40M0989 |
| Unit Weight | - | 0.035274 oz | 2.511506 oz |