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| PartNumber | MS27474E22F55S-LC | MS27474E22F55P | MS27474E22F55S |
| Description | Circular MIL Spec Connector JT 55C 55#20 SKT RECP | Circular MIL Spec Connector RECPT 5P SZ 22 PIN | Circular MIL Spec Connector 55P 22 SIZE JAM NUT RECEPTACLE SKT |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| RoHS | Y | N | N |
| Series | D38999 III | MS 38999 II | MS 38999 II |
| 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 |
| Tradename | 38999 | 38999 | 38999 |
| Number of Positions | - | 55 Position | 55 Position |
| Insert Arrangement | - | 22-55 | 22-55 |
| Contact Gender | - | Pin (Male) | Socket (Female) |
| MIL Type | - | MIL-DTL-38999 II | MIL-DTL-38999 II |
| Product | - | Receptacles | Receptacles |
| Shell Size | - | 22 | 22 |
| Shell Style | - | Jam Nut | Jam Nut |
| Mounting Style | - | Panel | Panel |
| Termination Style | - | Crimp | Crimp |
| Current Rating | - | 5 A | 5 A |
| Contact Plating | - | Gold | Gold |
| Mounting Angle | - | Straight | Straight |
| Voltage Rating | - | 500 V | 500 V |
| Shell Plating | - | Passivated Steel | Passivated Steel |
| Qualification | - | EREL | EREL |
| Shell Material | - | Aluminum Alloy | Aluminum Alloy |
| Wire Gauge | - | 22 | 22 |
| Part # Aliases | - | 91-542138-55P | 91-542138-55S |