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| PartNumber | AT4180 | AT418F | AT4181 |
| Description | Knobs & Dials SNAP-IN KNOB FR SERIES | Switch Bezels / Switch Caps .512 DIAMETER GRN CAP | Switch Hardware SPLASHPROOF BOOT |
| Manufacturer | NKK Switches | NKK Switches | NKK Switches |
| Product Category | Knobs & Dials | Switch Bezels / Switch Caps | Accessories |
| RoHS | Y | Y | - |
| Product | Knobs | Caps | Hardware |
| Type | Pointer/Selector | Button | Toggle Sealing Boots |
| Shaft Diameter | 1/8 in | - | - |
| Outside Diameter | 10 mm | - | - |
| Material | Plastic | Silicone Rubber | Silicone Rubber |
| Design | Smooth | - | - |
| Color | Black | Green | Black |
| Indicator Style | Notch on Skirt | - | - |
| For Use With | FR01 Series, MR Series | Various Switches | Various Switches |
| Series | AT | M | AT |
| Packaging | Bulk | Reel | Bulk |
| Brand | NKK Switches | NKK Switches | - |
| Product Type | Knobs & Dials | Switch Bezels / Switch Caps | - |
| Factory Pack Quantity | 1 | 100 | - |
| Subcategory | Knobs & Dials | Switch Accessories | - |
| Part # Aliases | AT-4180 | AT-418-M | - |
| Unit Weight | 0.020635 oz | - | - |
| Designed for | - | M, P, S, WT Series | M P S WT Series |
| Height | - | 24.3 mm | 24.3 mm |
| Illumination | - | Non-Illuminated | None |
| Length | - | 21.5 mm | 21.5 mm |
| Termination Style | - | Snap On | Snap On |
| Width | - | 8 mm | 8 mm |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| For Use With Related Products | - | - | - |
| Accessory Type | - | - | - |
| Size Dimension | - | - | 0.957" (24.30mm) Height |
| Thread Size | - | - | M12x1 |
| Shaft Size | - | - | - |