| PartNumber | 640551-4 | 640551-2 | 640551-3 |
| Description | Headers & Wire Housings DUST COVER 4P Closed End | Headers & Wire Housings DUST COVER 2P Closed End | Headers & Wire Housings DUST COVER 3P Closed End |
| Manufacturer | TE Connectivity | - | TE Connectivity AMP Connectors |
| Product Category | Headers & Wire Housings | - | Rectangular Connectors - Accessories |
| RoHS | Y | - | - |
| Product | Accessories | - | - |
| Type | - | - | - |
| Number of Positions | 4 Position | - | 3 |
| Pitch | 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 | - | - |
| Accessory Type | Dust Cover | - | Cap (Cover), Dust |
| Application | - | - | - |
| Contact Type | - | - | - |
| Current Rating | - | - | - |
| Housing Material | Polyester | - | - |
| Voltage Rating | - | - | - |
| Brand | TE Connectivity | - | - |
| Contact Material | - | - | - |
| Row Spacing | - | - | - |
| Housing Gender | - | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 640551-4 | - | - |
| Unit Weight | 0.015803 oz | - | - |
| For Use With Related Products | - | - | MTA-156 Series |
| Features | - | - | Closed End |