| PartNumber | AT4074C | AT4074D | AT4074F |
| Description | Switch Bezels / Switch Caps SQ RED LENS FOR UB ILLUMINATED | Switch Bezels / Switch Caps SQUARE AMBER LENS FOR UB ILLUMINATED | Switch Bezels / Switch Caps SQUARE GREEN LENS FOR UB ILLUMINATED |
| Manufacturer | NKK Switches | NKK Switches | NKK Switches |
| Product Category | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps |
| RoHS | Y | Y | Y |
| Product | Caps | Caps | Caps |
| Type | Button | Button | Button |
| For Use With | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Designed for | UB Series | UB Series | UB Series |
| Color | Red | Amber | Green |
| Packaging | Bulk | Bulk | Bulk |
| Height | 3 mm | 3 mm | 3 mm |
| Illumination | Illuminated | Illuminated | Illuminated |
| Length | 12 mm | 12 mm | 12 mm |
| Material | Polycarbonate (PC) | Polycarbonate (PC) | Polycarbonate (PC) |
| Series | UB AT | UB AT | UB AT |
| Termination Style | Snap On | Snap On | Snap On |
| Brand | NKK Switches | NKK Switches | NKK Switches |
| Product Type | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps | Switch Bezels / Switch Caps |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Switch Accessories | Switch Accessories | Switch Accessories |
| Part # Aliases | AT-4074-R | AT-4074-Y | AT-4074-M |
| Unit Weight | - | 0.033934 oz | 0.008325 oz |