| PartNumber | M80-4064205 | M80-4064201 | M80-4064242 |
| Description | Headers & Wire Housings 21+21 DIL FEM 4.5 PCT REV/F JS | Headers & Wire Housings 21+21 POS REV FEMALE | Headers & Wire Housings 21+21 POS REV FEMALE |
| Manufacturer | Harwin | Harwin | Harwin |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Headers | Headers | Headers |
| Type | Socket Assembly | Socket Assembly | Socket Assembly |
| Series | J-Tek | J-Tek | J-Tek |
| Tradename | Datamate | Datamate | Datamate |
| Brand | Harwin | Harwin | Harwin |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 5 | 5 | 5 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Unit Weight | 0.145540 oz | 0.146881 oz | 0.146704 oz |