| PartNumber | AT453B | AT453A | AT453H |
| Description | Switch Cases / Switch Covers BLACK RECTANGULAR SHROUD FOR MB20, SCB | Switch Cases / Switch Covers RECTANGLE SHROUD BLK | Switch Cases / Switch Covers GRAY RECTANGULAR SHROUD FOR MB20, SCB |
| Manufacturer | NKK Switches | NKK Switches | NKK Switches |
| Product Category | Switch Cases / Switch Covers | Switch Cases / Switch Covers | Switch Cases / Switch Covers |
| RoHS | Y | Y | Y |
| Product | Covers | Covers | Covers |
| Type | Housing | Housing | Housing |
| For Use With | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Designed for | MB20, SCB Series | MB20, SCB Series | MB20, SCB Series |
| Color | White | Black | Gray |
| Height | 12 mm | 12 mm | 12 mm |
| Length | 26.2 mm | 26.2 mm | 26.2 mm |
| Material | Polycarbonate (PC) | Polycarbonate (PC) | Polycarbonate (PC) |
| Series | AT | AT | AT |
| Termination Style | Snap On | Snap On | Snap On |
| Width | 21 mm | 21 mm | 21 mm |
| Brand | NKK Switches | NKK Switches | NKK Switches |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | Switch Cases / Switch Covers | Switch Cases / Switch Covers | Switch Cases / Switch Covers |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Switch Accessories | Switch Accessories | Switch Accessories |
| Part # Aliases | AT-453-W | AT-453-K | AT-453-G |
| Unit Weight | 0.348824 oz | - | - |