 |  | | |
| PartNumber | D38999/20MJ4SA | D38999/20MJ4SA-LC | D38999/20MJ4SB |
| Description | Circular MIL Spec Connector | Circular MIL Spec Connector CTV 143C 48#20 8 #16 SKT RECP | Circular MIL Spec Connector 56P WL mnt soc sz 25 |
| Manufacturer | TE Connectivity | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 56 Position | 56 Position | 56 Position |
| Insert Arrangement | 25 - 4 | 25-4 | 25 - 4 |
| Contact Gender | Socket (Female) | Without Pin Contacts | Socket (Female) |
| MIL Type | MIL-DTL-38999 III | MIL-DTL-38999 III | MIL-DTL-38999 III |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 25 | 25 | 25 |
| Shell Style | Wall Mount | Wall Mount | Wall Mount |
| Mounting Style | Panel | Panel | Panel |
| Termination Style | Crimp | - | Crimp |
| Current Rating | 7.5 A, 13 A | 7.5 A | 7.5 A, 13 A |
| Brand | TE Connectivity / DEUTSCH | Amphenol Aerospace | Amphenol Aerospace |
| Shell Plating | Nickel | Electroless Nickel | Nickel |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Shell Material | Composite | Aluminum | Composite |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Unit Weight | 0.035274 oz | - | - |
| RoHS | - | Y | Y |
| Contact Plating | - | - | Gold |
| Contact Material | - | - | Copper Alloy |
| Series | - | D38999 III | D38999 III |
| Mounting Angle | - | Straight | Straight |
| Mating Style | - | Self Locking | Self Locking |
| Qualification | - | EREL | EREL |
| Tradename | - | 38999 | 38999 |
| Part # Aliases | - | 91-578899-04H | 91-578869-04J D38999/20MJ04SB |