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| PartNumber | D38999/20MJ43PA | D38999/20MJ43PB | D38999/20MJ43PA-LC |
| Description | Circular MIL Spec Connector 43P WL mnt pin sz 25 | Circular MIL Spec Connector SQUARE FLANGE RECEPTACLE | Circular MIL Spec Connector 43P PIN CRIMP WM Rcpt w/seal |
| Manufacturer | Amphenol | TE Connectivity | - |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | - |
| RoHS | Y | Y | - |
| Number of Positions | 43 Position | 43 Position | - |
| Insert Arrangement | 25 - 43 | 25 - 43 | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| MIL Type | MIL-DTL-38999 III | MIL-DTL-38999 III | - |
| Product | Receptacles | Receptacles | - |
| Shell Size | 25 | 25 | - |
| Shell Style | Wall Mount | Wall Mount | - |
| Mounting Style | Panel | Panel | - |
| Termination Style | Crimp | Crimp | - |
| Current Rating | 7.5 A, 13 A | 7.5 A, 13 A | - |
| Contact Plating | Gold | - | - |
| Contact Material | Copper Alloy | - | - |
| Series | D38999 III | - | - |
| Mounting Angle | Straight | - | - |
| Brand | Amphenol Aerospace | TE Connectivity / DEUTSCH | - |
| Shell Plating | Nickel | Nickel | - |
| Mating Style | Self Locking | - | - |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | - |
| Shell Material | Composite | Composite | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Circular Connectors | Circular Connectors | - |
| Tradename | 38999 | - | - |
| Part # Aliases | 91-578869-43G | - | - |
| Unit Weight | - | 0.035274 oz | - |