| PartNumber | AFD51-20-39SY-6140 | AFD51-20-39SY-6117-LC | AFD51-20-39SY-6139 |
| Description | Circular MIL Spec Connector 39P SZ 20 RECPT CABLE MOUNT SOCKET | Circular MIL Spec Connector 39P SZ 20 RECPT CABLE MOUNT SOCKET | Circular MIL Spec Connector 39P SZ 20 RECPT CABLE MOUNT SOCKET |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| RoHS | Y | - | N |
| Number of Positions | 39 Position | 39 Position | 39 Position |
| Contact Gender | Socket (Female) | Socket (Female) | Socket (Female) |
| MIL Type | MIL-DTL-26482 | MIL-DTL-26482 | MIL-DTL-26482 |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 20 | 20 | 20 |
| Termination Style | Crimp | Crimp | Crimp |
| Current Rating | 7.5 A | 7.5 A | 7.5 A |
| Contact Plating | Gold | Gold | Gold |
| Series | AFD | AFD | AFD |
| Mounting Angle | Straight | Straight | Straight |
| Voltage Rating | 1.5 kV, 2.3 kV | 1.5 kV, 2.3 kV | 1.5 kV, 2.3 kV |
| Brand | TE Connectivity / DEUTSCH | TE Connectivity / DEUTSCH | TE Connectivity / DEUTSCH |
| Shell Plating | Nickel | Nickel | Nickel |
| Mating Style | Threaded | Threaded | Threaded |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Shell Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Unit Weight | 0.035274 oz | 0.035274 oz | 1.536005 oz |