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| PartNumber | 531143-3 | 531143-5 | 531143-4 |
| Description | Headers & Wire Housings 2R BOX RECP 30 POS | Headers & Wire Housings 2 ROW BOX RECP 50 POS 075 C/L | Headers & Wire Housings 2 ROW BOX RECP 40 POS 075 C/L |
| Manufacturer | TE Connectivity Aerospace, Defense and Marine [MIL] | - | - |
| Product Category | Rectangular - Board to Board Connectors - Headers, Receptacles, Female Sockets | - | - |
| Color | Blue | - | - |
| Series | Military, MIL-DTL-55302, 750 Box | - | - |
| Packaging | Bulk | - | - |
| Termination | Solder | - | - |
| Mounting Type | Through Hole | - | - |
| Features | Mating Guide | - | - |
| Height Above Board | 0.400" (10.16mm) | - | - |
| Connector Type | Receptacle | - | - |
| Contact Finish | Gold | - | - |
| Contact Finish Thickness | 50μin (1.27μm) | - | - |
| Number of Positions | 30 | - | - |
| Number of Positions Loaded | All | - | - |
| Pitch | 0.075" (1.91mm) | - | - |
| Number of Rows | 2 | - | - |
| Row Spacing | 0.125" (3.18mm) | - | - |
| Height Stacking Mating | - | - | - |