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| PartNumber | MS27473E18F53P | MS27473E18F53SC | MS27473E18F53S |
| Description | Circular MIL Spec Connector JT 53C 53#22 PIN PLUG | Circular MIL Spec Connector Connectors, Interconnects - CONN PLUG 53POS STRAIGHT W/SCKT - Circular | Circular MIL Spec Connector Plug 5P3 SZ 18 SOC |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 53 Position | 53 Position | 53 Position |
| Insert Arrangement | 18-53 | 18-53 | 18-53 |
| Contact Gender | Pin (Male) | 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 | - | Crimp |
| Series | JT | MS 38999 II | MS 38999 II |
| Brand | Amphenol Aerospace | Amphenol Aerospace | Amphenol Aerospace |
| Shell Plating | Passivated Steel | Passivated Steel | Passivated Steel |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Qualification | EREL | - | EREL |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Part # Aliases | 91-542036-53P | - | - |
| Tradename | - | 38999 | 38999 |
| RoHS | - | - | N |
| Mounting Style | - | - | Cable |
| Contact Plating | - | - | Gold |
| Mounting Angle | - | - | Straight |
| Mating Style | - | - | Bayonet |
| Shell Material | - | - | Aluminum |