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| PartNumber | MS3456L12S-2B | MS3456L12S-3A | MS3456L12S-3BX |
| Description | Circular MIL Spec Connector PLUG | Circular MIL Spec Connector PLUG | MIL-DTL-5015 Circular Connecto |
| Manufacturer | Amphenol | Amphenol | - |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | - |
| Number of Positions | 2 Position | 2 Position | - |
| Insert Arrangement | 12S-2 | 12S-3 | - |
| Contact Gender | Without Socket Contacts | Without Pin Contacts | - |
| MIL Type | MIL-DTL-5015 | MIL-DTL-5015 | - |
| Product | Plugs | Plugs | - |
| Shell Size | 12 | 12 | - |
| Shell Style | In-Line | In-Line | - |
| Series | Matrix | Matrix | - |
| Packaging | Bulk | Bulk | - |
| Brand | Amphenol Aerospace | Amphenol Aerospace | - |
| Shell Plating | Electroless Nickel | Electroless Nickel | - |
| Mating Style | Threaded | Threaded | - |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | - |
| Shell Material | Aluminum | Aluminum | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Circular Connectors | Circular Connectors | - |
| Part # Aliases | 3456L12S2B | 3456L12S3A | - |