| PartNumber | AT4003A | AT4002 | AT4001 |
| Description | Switch Bezels / Switch Caps BLACK .394" BAT LEVER CAP | Switch Cases / Switch Covers RND SPLSH CVR LB | Switch Cases / Switch Covers SQ SPLSH COVER LB/UB |
| Manufacturer | NKK Switches | NKK Switches | NKK Switches |
| Product Category | Switch Bezels / Switch Caps | Switch Cases / Switch Covers | Switch Cases / Switch Covers |
| RoHS | Y | Y | Y |
| Product | Caps | - | - |
| Type | Bat | Dust Cover | Dust Cover |
| For Use With | Toggle Switches, Subminiature | Pushbutton Switches | Pushbutton Switches |
| Designed for | A, B Series | LB Series | LB, UB Series |
| Color | Black | Clear | Clear |
| Packaging | Bulk | - | Bulk |
| Length | 10 mm | 30 mm | 24 mm |
| Material | Polyethylene (PE) Chloride | Polyethylene (PE) Chloride | Polyethylene (PE) Chloride |
| Series | M | LB AT | LB AT |
| Termination Style | Snap On | Snap On | Snap On |
| Width | 3 mm | - | - |
| Brand | NKK Switches | NKK Switches | NKK Switches |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | Switch Bezels / Switch Caps | Switch Cases / Switch Covers | Switch Cases / Switch Covers |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Switch Accessories | Switch Accessories | Switch Accessories |
| Part # Aliases | AT-4003-K | AT-4002 | AT-4001 |
| Unit Weight | 0.002963 oz | 2.272031 oz | 0.132948 oz |
| Height | - | 2.5 mm | 2.5 mm |