Standard Pattern NM and NE Nylon Insert Stop Nuts (Nylon Lock Nuts)
Thread size No.4 No. 6 No. 8 No. 10 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1 1/8 1 1/4 1 1/2 Fmax 0.250 0.313 0.344 0.375 0.438 0.500 0.563 0.625 0.750 0.875 0.938 1.125 1.313 1.500 1.688 1.875 2.250 Gmin 0.268 0.339 0.374 0.410 0.482 0.552 0.622 0.698 0.837 0.978 1.051 1.191 1.403 1.615 1.826 2.038 2.444 H 0.133 0.168 0.219 0.229 0.298 0.329 0.438 0.438 0.579 0.626 0.735 0.860 0.969 1.016 1.141 1.360 1.578 I 0.081 0.103 0.140 0.140 0.225 0.250 0.335 0.324 0.464 0.469 0.593 0.742 0.790 0.825 0.930 1.125 1.313