| PartNumber | MS3101A28-18P | MS3101A28-18S | MS3101A28-19P |
| Description | Circular MIL Spec Connector AB 12C 12#16 PIN RECP | Circular MIL Spec Connector 12P SIZE 28 SOCKET | Circular MIL Spec Connector 10P SZ 28 CABLE CONN PLUG PIN 5015 |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 12 Position | 12 Position | 10 Position |
| Insert Arrangement | 28-18 | 28-18 | 28-19 |
| Contact Gender | Pin (Male) | Socket (Female) | Pin (Male) |
| MIL Type | MIL-DTL-5015 | MIL-DTL-5015 | MIL-DTL-5015 |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 28 | 28 | 28 |
| Shell Style | In-Line | In-Line | In-Line |
| Series | MS | MS 5015 | MS 5015 |
| 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 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| RoHS | - | N | N |
| Mounting Style | - | Cable | - |
| Termination Style | - | Solder | - |
| Current Rating | - | 23 A | - |
| Contact Plating | - | Silver | - |
| Mounting Angle | - | Straight | - |
| Mating Style | - | Threaded | - |
| Shell Material | - | Aluminum Alloy | - |
| Factory Pack Quantity | - | 1 | 1 |
| Tradename | - | 5015 | 5015 |
| Part # Aliases | - | MS31O1A28-18S U61-168128-18S | MS31O1A28-19P U61-168128-19P |