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| PartNumber | 1-640551-2 | 1-640551-1 | 1-640551-0 |
| Description | Headers & Wire Housings DUST COVER 12P Closed End | Headers & Wire Housings DUST COVER 11P | Headers & Wire Housings DUST COVER 10P Closed End |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Accessories | Accessories | - |
| Type | - | - | - |
| Number of Positions | 12 Position | 11 Position | - |
| Pitch | 3.96 mm | 3.96 mm | - |
| Number of Rows | - | - | - |
| Mounting Style | - | - | - |
| Termination Style | - | - | - |
| Mounting Angle | - | - | - |
| Contact Gender | - | - | - |
| Contact Plating | - | - | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Series | MTA-156 | MTA-156 | - |
| Tradename | MTA | MTA | - |
| Accessory Type | Dust Cover | Dust Cover | - |
| Application | - | - | - |
| Contact Type | - | - | - |
| Current Rating | - | - | - |
| Housing Material | Polyester | Polyester | - |
| Voltage Rating | - | - | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | - | - | - |
| Row Spacing | - | - | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 500 | 1000 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 1-640551-2 | 1-640551-1 | - |