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| PartNumber | MS27473E18A53S | MS27473E18A53SA | MS27473E18A53SB |
| Description | Circular MIL Spec Connector 53P 18 SIZE STRAIGHT PLUG SKT | 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 |
| RoHS | N | - | - |
| Number of Positions | 53 Position | 53 Position | 53 Position |
| Insert Arrangement | 18-53 | 18-53 | 18-53 |
| Contact Gender | Socket (Female) | Socket (Female) | Socket (Female) |
| MIL Type | MIL-DTL-38999 II | MIL-DTL-38999 II | MIL-DTL-38999 II |
| Product | Plugs | Plugs | Plugs |
| Shell Size | 18 | 18 | 18 |
| Shell Style | In-Line | In-Line | In-Line |
| Termination Style | Crimp | - | - |
| Series | MS 38999 II | JT | MS 38999 II |
| Brand | Amphenol Aerospace | Amphenol Aerospace | Amphenol Aerospace |
| Shell Plating | Cadmium | Cadmium | Cadmium |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Qualification | EREL | - | - |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Tradename | 38999 | - | 38999 |
| Part # Aliases | 87-443051-53S | 87-443051-53F | 87-443051-53T |
| Packaging | - | Bulk | - |