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| PartNumber | AT4139B | AT4139A | AT41396.0 |
| Description | Switch Bezels / Switch Caps WHITE CAP FOR JB RA PC NONILLUMINATED | Switch Bezels / Switch Caps BLACK CAP FOR JB RA PC NONILLUMINATED | |
| Manufacturer | NKK Switches | - | - |
| Product Category | Switch Bezels / Switch Caps | - | - |
| RoHS | Y | - | - |
| Product | Caps | - | - |
| Type | Button | - | - |
| For Use With | Tactile Switches | - | - |
| Designed for | JB Series | - | - |
| Color | White | - | - |
| Height | 5.7 mm | - | - |
| Illumination | Non-Illuminated | - | - |
| Length | 10 mm | - | - |
| Material | Polycarbonate (PC) | - | - |
| Series | JB AT | - | - |
| Brand | NKK Switches | - | - |
| Product Type | Switch Bezels / Switch Caps | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Switch Accessories | - | - |
| Part # Aliases | AT-4139-W | - | - |