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| PartNumber | MS3450W28-9B | MS3450W28-9P | MS3450W28-9A |
| Description | Circular MIL Spec Connector RECEPT | Circular MIL Spec Connector RECEPT | Circular MIL Spec Connector RECEPT |
| 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 | 12 Position |
| Insert Arrangement | 28-9 | 28-9 | 28-9 |
| Contact Gender | Without Socket Contacts | Pin (Male) | Without Pin Contacts |
| MIL Type | MIL-DTL-5015 | MIL-DTL-5015 | MIL-DTL-5015 |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 28 | 28 | 28 |
| Shell Style | Wall Mount | Wall Mount | Wall Mount |
| Series | Matrix | Matrix 5015 | Matrix |
| Packaging | Bulk | - | Bulk |
| 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 |
| Part # Aliases | 3450W289B | 3450W289P | 3450W289A |
| Tradename | - | 5015 | - |