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| PartNumber | MS3456L20-21A | MS3456L20-22B | MS3456L20-21P |
| Description | Circular MIL Spec Connector PLUG | Circular MIL Spec Connector PLUG | Circular MIL Spec Connector PLUG |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 9 Position | 6 Position | 9 Position |
| Insert Arrangement | 20-21 | 20-22 | 20-21 |
| Contact Gender | Without Pin Contacts | Without Socket Contacts | Pin (Male) |
| MIL Type | MIL-DTL-5015 | MIL-DTL-5015 | MIL-DTL-5015 |
| Product | Plugs | Plugs | Plugs |
| Shell Size | 20 | 20 | 20 |
| Shell Style | In-Line | In-Line | In-Line |
| Series | Matrix | Matrix | Matrix 5015 |
| Packaging | Bulk | Bulk | - |
| Brand | Amphenol Aerospace | Amphenol Aerospace | Amphenol Aerospace |
| Shell Plating | Electroless Nickel | Electroless Nickel | Electroless Nickel |
| 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 | 3456L2021A | 3456L2022B | 3456L2021P |
| Tradename | - | - | 5015 |