| PartNumber | AT401H | AT401S | AT401P |
| Description | Switch Hardware SPLASHPRF BOOT GRAY | Switch Hardware SPLASH PROOF BOOT ASSEM SILICON RUBBER | Switch Hardware TL SERIES PANEL SEAL |
| Manufacturer | NKK Switches | NKK Switches | NKK Switches |
| Product Category | Switch Hardware | Switch Hardware | Switch Hardware |
| RoHS | Y | Y | Y |
| Type | Boot | Boot | O Ring |
| For Use With | Various Switches | Various Switches | Pushbutton Switches |
| Designed for | M, P, S, WT Series | M, P, S, WT Series | M, MB20, TL, WB, WT Series |
| Termination Style | Screw | Screw | - |
| Packaging | Bulk | Bulk | Bulk |
| Color | Gray | Black | Black |
| Height | 10 mm | 10 mm | 1.5 mm |
| Length | 16 mm | 16 mm | 17.5 mm |
| Material | Polyvinyl Chloride (PVC) and Polyethylene | Silicone Rubber | Polyvinyl Chloride (PVC) and Polyethylene |
| Series | AT | M AT | AT |
| Brand | NKK Switches | NKK Switches | NKK Switches |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | Switch Hardware | Switch Hardware | Switch Hardware |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Switch Accessories | Switch Accessories | Switch Accessories |
| Part # Aliases | AT-401-G | AT-401-L3C-K | AT-401-P |
| Unit Weight | 0.244484 oz | 0.232244 oz | 1 oz |