| PartNumber | MS3101R12S-3S W/P CAP | MS3101R12S-3P | MS3101R12S-3S |
| Description | Circular MIL Spec Connector ER 2C 2#16S SKT RECP LINE | Circular MIL Spec Connector SIZE 12S 2P #16 CBL CONNECTING PLUG | Circular MIL Spec Connector ER 2C 2#16S SKT RECP LINE |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| RoHS | N | - | N |
| Number of Positions | 2 Position | 2 Position | 2 Position |
| Insert Arrangement | 12S-3 | 12S-3 | 12S-3 |
| Contact Gender | Socket (Female) | Pin (Male) | Socket (Female) |
| MIL Type | MIL-DTL-5015 | MIL-DTL-5015 | MIL-DTL-5015 |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 12 | 12 | 12 |
| Shell Style | In-Line | In-Line | In-Line |
| Series | MS | MS 5015 | MS |
| Brand | Amphenol Industrial | Amphenol Industrial | Amphenol Industrial |
| Shell Plating | Olive Drab Chromate over Cadmium | Olive Drab Chromate over Cadmium | Olive Drab Chromate over Cadmium |
| 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 |
| Tradename | - | 5015 | - |
| Part # Aliases | - | MS31O1R12S-3P | - |