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| PartNumber | 1-1939758-4 | 1-1939738-1 | 1-1939738-2 |
| Description | Headers & Wire Housings REC HSG 4POS X-KEY | IC & Component Sockets Short Straight Lever | IC & Component Sockets ILM Straight Leve |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | IC & Component Sockets | - |
| RoHS | Y | Y | - |
| Series | D-1000 | - | - |
| Tradename | DYNAMIC SERIES | - | - |
| Packaging | Bulk | Bulk | - |
| Brand | TE Connectivity | TE Connectivity / AMP | - |
| Product Type | Headers & Wire Housings | IC & Component Sockets | - |
| Factory Pack Quantity | 500 | 200 | - |
| Subcategory | Headers & Wire Housings | IC & Component Sockets | - |
| Part # Aliases | 1-1939758-4 | 1-1939738-1 | - |
| Product | - | Accessories | - |
| Number of Positions | - | 4 Position | - |
| Type | - | LGA 1366 | - |
| Termination Style | - | Screw | - |
| Contact Plating | - | Stainless Steel | - |
| Features | - | Independent Loading Mechamism (ILM) U Level | - |
| Case Style | - | ILM | - |
| Contact Material | - | Steel | - |
| Mounting Style | - | Screw | - |