Nuts
Nylon Insert Lock Nuts
Nut Dimensions
| A | B | C | D | E | F | Maximum Total Runout of Bearing Surface, FIM |
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| Nominal Size | Width Across Flats | Width Across Corners |
Height | Hex Height | Bearing Surface Diameter |
|||
| Max | Min | Min | Max | Min | Min (Ref) | Min | ||
| 1/4 | 0.439 | 0.430 | 0.488 | 0.328 | 0.298 | 0.225 | 0.416 | 0.010 |
| 5/16 | 0.502 | 0.489 | 0.557 | 0.359 | 0.329 | 0.250 | 0.475 | 0.011 |
| 3/8 | 0.564 | 0.551 | 0.628 | 0.468 | 0.438 | 0.335 | 0.534 | 0.012 |
| 7/16 | 0.627 | 0.616 | 0.698 | 0.468 | 0.438 | 0.324 | 0.597 | 0.013 |
| 1/2 | 0.752 | 0.736 | 0.840 | 0.609 | 0.579 | 0.464 | 0.712 | 0.014 |
| 9/16 | 0.877 | 0.861 | 0.982 | 0.656 | 0.626 | 0.469 | 0.830 | 0.015 |
| 5/8 | 0.940 | 0.922 | 1.051 | 0.765 | 0.735 | 0.593 | 0.890 | 0.016 |
| 3/4 | 1.064 | 1.052 | 1.191 | 0.890 | 0.860 | 0.742 | 1.033 | 0.018 |
| 7/8 | 1.252 | 1.239 | 1.403 | 0.999 | 0.969 | 0.790 | 1.230 | 0.020 |
| 1 | 1.440 | 1.427 | 1.619 | 1.078 | 1.016 | 0.825 | 1.418 | 0.022 |
| 1-1/8 | 1.627 | 1.614 | 1.833 | 1.203 | 1.141 | 0.930 | 1.605 | 0.025 |
| 1-114 | 1.815 | 1.801 | 2.046 | 1.422 | 1.360 | 1.125 | 1.793 | 0.028 |
| 1-3/8 | 2.008 | 1.973 | 2.259 | 1.609 | 1.547 | 1.282 | 1.962 | 0.031 |
| 1-1/2 | 2.197 | 2.159 | 2.473 | 1.640 | 1.578 | 1.313 | 2.148 | 0.034 |
