| PartNumber | AT4178JC | AT4178JB | AT4178JD |
| Description | Switch Bezels / Switch Caps LB RND LENS/DIFF RED | Switch Bezels / Switch Caps RND CLR LNS/WHT DIFF LB WITH LED | Switch Bezels / Switch Caps LB RND LNS/DIFF AMBR |
| 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 | Clear, Red | Clear, White | - |
| Packaging | Bulk | - | - |
| Height | 10 mm | 10 mm | - |
| Illumination | Illuminated | Illuminated | - |
| Length | 19 mm | 19 mm | - |
| Material | Polycarbonate (PC) | Polycarbonate (PC) | - |
| Series | LB AT | LB AT | - |
| Brand | NKK Switches | NKK Switches | - |
| Product Type | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switch Accessories | Switch Accessories | - |
| Part # Aliases | AT-4178-R | AT-4178-N | - |
| Unit Weight | 0.108820 oz | - | - |
| Termination Style | - | Snap On | - |
| Mounting Style | - | SMD/SMT | - |