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| PartNumber | MS27473E22F55S-LC | MS27473E22F55SA | MS27473E22F55S |
| Description | Circular MIL Spec Connector JT 100C 100#22 D SKT WALL RECP | Circular MIL Spec Connector JT 55C 55#20 SKT PLUG | Circular MIL Spec Connector 55P SZ 22 PLUG CBL MNT SKT |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| RoHS | Y | - | N |
| Brand | Amphenol Aerospace | Amphenol Aerospace | Amphenol Aerospace |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Number of Positions | - | 55 Position | 55 Position |
| Insert Arrangement | - | 22-55 | 22-55 |
| Contact Gender | - | Socket (Female) | Socket (Female) |
| MIL Type | - | MIL-DTL-38999 II | MIL-DTL-38999 II |
| Product | - | Plugs | Plugs |
| Shell Size | - | 22 | 22 |
| Shell Style | - | In-Line | In-Line |
| Series | - | MS 38999 II | MS 38999 II |
| Shell Plating | - | Passivated Steel | Passivated Steel |
| Tradename | - | 38999 | 38999 |
| Part # Aliases | - | 91-542038-55F | 91-542038-55S |
| Mounting Style | - | - | Cable |
| Termination Style | - | - | Crimp |
| Contact Plating | - | - | Gold |
| Mounting Angle | - | - | Straight |
| Mating Style | - | - | Bayonet |
| Qualification | - | - | EREL |
| Shell Material | - | - | Aluminum |