| PartNumber | AT4012EJ | AT4012BJ | AT4012CJ |
| Description | Switch Bezels / Switch Caps RND CAP FOR LB YLW | Switch Bezels / Switch Caps RND CAP FOR LB WHT | Switch Bezels / Switch Caps RND CAP FOR LB RED |
| Manufacturer | NKK Switches | NKK Switches | - |
| Product Category | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps | - |
| RoHS | Y | Y | - |
| Product | Caps | Caps | - |
| Type | Button | Button | - |
| For Use With | Pushbutton Switches | Pushbutton Switches | - |
| Designed for | LB Series | LB Series | - |
| Color | Yellow, Clear | White, Clear | - |
| Height | 10 mm | 10 mm | - |
| Length | 19 mm | 19 mm | - |
| Material | Polycarbonate (PC) | Polycarbonate (PC) | - |
| Series | LB AT | LB AT | - |
| Termination Style | Snap On | Snap On | - |
| Brand | NKK Switches | NKK Switches | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Product Type | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switch Accessories | Switch Accessories | - |
| Part # Aliases | AT-4012-Y | AT-4012-W | - |
| Packaging | - | Bulk | - |
| Unit Weight | - | 0.111395 oz | - |