| PartNumber | MS3476A22-21B | MS3476A22-21AW | MS3476A22-21A |
| Description | Circular MIL Spec Connector AFD 21C 21#16 SKT PLUG LC | Circular MIL Spec Connector AFD 21C 21#16 PIN PLUG LC | Circular MIL Spec Connector AFD 21C 21#16 PIN PLUG LC |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 21 Position | 21 Position | 21 Position |
| Insert Arrangement | 22-21 | 22-21 | 22-21 |
| Contact Gender | Without Socket Contacts | Without Pin Contacts | Without Pin Contacts |
| MIL Type | MIL-DTL-26482 II | MIL-DTL-26482 II | MIL-DTL-26482 II |
| Product | Plugs | Plugs | Plugs |
| Shell Size | 22 | 22 | 22 |
| Shell Style | In-Line | In-Line | In-Line |
| Mounting Style | Free Hanging | Free Hanging | Free Hanging |
| Termination Style | Crimp | Crimp | Crimp |
| Current Rating | 13 A | 13 A | 13 A |
| Contact Plating | Gold | Gold | Gold |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Series | MS3476 | MS3476 | MS3476 |
| Brand | TE Connectivity / DEUTSCH | TE Connectivity / DEUTSCH | TE Connectivity / DEUTSCH |
| Shell Plating | - | - | - |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Shell Material | Aluminum | Aluminum | Aluminum |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |