| PartNumber | AT513M | AT513H/3 | AT513H |
| Description | Switch Hardware HEX NUT FOR SERIES B EB FR01 M MB20 | Switch Hardware INCH THREADED HEX NUT W/ BLACK FINISH | Switch Hardware 1/4-40 HEX NUT |
| Manufacturer | NKK Switches | NKK Switches | - |
| Product Category | Switch Hardware | Switch Hardware | - |
| RoHS | Y | Y | - |
| Product | Hardware | Hardware | - |
| Type | Nut | Nut | - |
| For Use With | Various Switches | Pushbutton Switches | - |
| Designed for | B, D2, DB, EB, FR01, M, MB20, MB25, MR, P Series | M, MB20, MB24 Series | - |
| Termination Style | Screw | Screw | - |
| Packaging | Bulk | - | - |
| Features | Metric | Non-metric | - |
| Height | 1.5 mm | 1.5 mm | - |
| Material | Brass with Nickel Plating | Brass with Nickel Plating | - |
| Series | AT | AT | - |
| Width | 9 mm | 9 mm | - |
| Brand | NKK Switches | NKK Switches | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Product Type | Switch Hardware | Switch Hardware | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switch Accessories | Switch Accessories | - |
| Part # Aliases | AT-513 | - | - |
| Unit Weight | 0.026103 oz | - | - |