| PartNumber | MS3451W18-10S | MS3451W18-12S | MS3451W18-10P |
| Description | Circular MIL Spec Connector Cable Receptacle SZ 12 4 SKT Contact | Circular MIL Spec Connector RECEPT | Circular MIL Spec Connector 5015 RR 4#12 PIN RECP |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| RoHS | N | - | - |
| Number of Positions | 4 Position | 6 Position | 4 Position |
| Insert Arrangement | 18-10 | 18-12 | 18-10 |
| Contact Gender | Socket (Female) | Socket (Female) | Pin (Male) |
| MIL Type | MIL-DTL-5015 | MIL-DTL-5015 | MIL-DTL-5015 |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 18 | 18 | 18 |
| Shell Style | In-Line | In-Line | In-Line |
| Series | Matrix 5015 | Matrix | Matrix 5015 |
| Brand | Amphenol Aerospace | Amphenol Aerospace | Amphenol Aerospace |
| Shell Plating | Olive Drab Cadmium | Olive Drab Cadmium | Olive Drab Cadmium |
| Mating Style | Threaded | Threaded | Threaded |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Shell Material | Aluminum | Aluminum | Aluminum |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Tradename | 5015 | - | 5015 |
| Part # Aliases | 3451W1810S | 3451W1812S | 3451W1810P |
| Packaging | - | Bulk | - |