| PartNumber | 81040-500203 | 81040-500203-RB | 81040-520203 |
| Description | Headers & Wire Housings 40P R/A 4WALL TRPLZD ORDER LATCH SEPARATE | Headers & Wire Housings 40P RA TRIPOL HDR NO LATCHES | Headers & Wire Housings 40P R/A 4WALL TRPLZD WITH EJECTOR LATCH |
| Manufacturer | 3M | 3M | 3M |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | N | Y | N |
| Product | Headers | Headers | Headers |
| Type | Latch / Eject | Latch / Eject | Latch / Eject |
| Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Contact Plating | Gold | Gold | Gold |
| Series | 810 | 810 | 810 |
| Current Rating | 500 mA | 500 mA | 500 mA |
| Brand | 3M Electronic Solutions Division | 3M Electronic Solutions Division | 3M Electronic Solutions Division |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 196 | 196 | 100 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 05400775854 80620097396 | 05111165865 80000901613 | 80620097412 |
| Unit Weight | 0.021629 oz | 0.106512 oz | - |
| Mounting Angle | - | - | Right Angle |
| Housing Material | - | - | Liquid Crystal Polymer (LCP) |