| PartNumber | MS3100A12S-3P-RES | MS3100A12S-3P W/P CAP | MS3100A12S-3P |
| Description | Circular MIL Spec Connector ER 2C 2#16S PIN RECP | Circular MIL Spec Connector AB 2C 2#16 PIN RECP | Circular MIL Spec Connector SIZE 12S 2P #16 WALL MNT RECP |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 2 Position | - | 2 Position |
| Insert Arrangement | 12S-3 | - | 12S-3 |
| Contact Gender | Pin (Male) | - | Pin (Male) |
| MIL Type | MIL-DTL-5015 | - | MIL-DTL-5015 |
| Product | Receptacles | - | Receptacles |
| Shell Size | 12 | - | 12 |
| Shell Style | Wall Mount | - | Wall Mount |
| Series | MS | - | MS 5015 |
| Brand | Amphenol Industrial | Amphenol Industrial | Amphenol Industrial |
| Shell Plating | Olive Drab Chromate over Cadmium | - | Olive Drab Chromate over Cadmium |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| RoHS | - | N | N |
| Factory Pack Quantity | - | 1 | 1 |
| Unit Weight | - | 0.895959 oz | 0.860685 oz |
| Tradename | - | - | 5015 |
| Part # Aliases | - | - | MS3100A12S-03P MS310OA12S-03P MS31O0A12S-03P MS31OOA12S-03P U61-168012-03P |