| PartNumber | AT633F | AT633C | AT633D |
| Description | Industrial Panel Mount Indicators / Switch Indicators T-1 GREEN LED | Industrial Panel Mount Indicators / Switch Indicators T-1 RED LED | Industrial Panel Mount Indicators / Switch Indicators T-1 AMBER LED |
| Manufacturer | NKK Switches | NKK Switches | - |
| Product Category | Industrial Panel Mount Indicators / Switch Indicators | Industrial Panel Mount Indicators / Switch Indicators | - |
| RoHS | Y | Y | - |
| Type | LED | LED | - |
| For Use With | Pushbutton Switches, Miniature | Pushbutton Switches, Miniature | - |
| Designed for | HB Series | HB Series | - |
| Termination Style | Solder | Solder | - |
| Mounting Style | Through Hole | Through Hole | - |
| Width | 3.1 mm | 3.1 mm | - |
| Illumination Color | Green | Red | - |
| Features | T-1 bi-pin | T-1 bi-pin | - |
| Packaging | Bulk | Bulk | - |
| Height | 5.2 mm | 5.2 mm | - |
| Product | Indicators | Indicators | - |
| Series | HB AT | HB AT | - |
| Brand | NKK Switches | NKK Switches | - |
| Illuminated | Illuminated | Illuminated | - |
| Product Type | Panel Mount Indicators / Switch Indicators | Panel Mount Indicators / Switch Indicators | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switch Accessories | Switch Accessories | - |
| Part # Aliases | AT-633-M | AT-633-R | - |
| Unit Weight | 0.002610 oz | 0.021411 oz | - |