Speed Nuts® - U-Shaped
| Legacy Part Number | Remarks | Thread Specification (SS) | Panel Thickness (F) | Throat Distance (A) | Hole Diameter (R) | Width (b) | Length (l) | Material Thickness (s) | Design Variation | |
| D13398-1032 | 137520 D13398-1032 | 10-32 | 0.045 - 0.062 | 0.25 | 0.250 - 0.250 | 0.625 | 0.57 | 0.017 | 2D | |
| D00521-1420 | 137419 D00521-1420 | 1/4-20 | 0.051 - 0.109 | 0.312 | 0.359 - 0.359 | 0.5 | 0.78 | 0.025 | 2 | |
| C14969-1420 | 136707 C14969-1420 | 1/4-20 | 0.051 - 0.109 | 0.312 | 0.343 - 0.343 | 0.5 | 0.79 | 0.025 | 2F | |
| C14860-1420 | 136706 C14860-1420 | 1/4-20 | 0.064 - 0.125 | 0.5 | 0.343 - 0.343 | 0.5 | 0.97 | 0.025 | 2G | |
| D09569-1420 | 137511 D09569-1420 | 1/4-20 | 0.060 - 0.156 | 0.937 | 0.343 - 0.343 | 0.625 | 1.24 | 0.025 | 2E | |
| D17453-1420 | 137525 D17453-1420 | 1/4-20 | 0.156 - 0.190 | 0.906 | 0.343 - 0.343 | 0.625 | 1.225 | 0.025 | 2E | |
| Metric | ||||||||||
| C71784-M42141 | 137375 C71784-M42141 | ST4.2 (8-18) | 2.00 - 3.00 | 6 | 7.00 - 7.00 | 12 | 13.5 | 0.71 | 2DG | |
| D99228-M42141 | 137939 D99228-M42141 | ST4.2 (8-18) | 0.60 - 2.00 | 7 | 7.90 - 7.90 | 13 | 15 | 0.71 | 3DKU | |
| US 420014 | 138972 US 420014 | ST4.2 (8-18) | 2.25 - 3.00 | 7.2 | 5.80 - 5.80 | 9.3 | 12.9 | 0.6 | 3 | |
| US 420519 | 138973 US 420519 | ST4.2 (8-18) | 0.65 - 3.80 | 8.64 | 6.98 - 6.98 | 13.6 | 19.3 | 0.67 | 3DU | |
| D98712-064M | 137679 D98712-064M | ST4.2 (8-18) | 2.20 - 3.10 | 10 | 8.00 - 8.00 | 14.5 | 17.6 | 0.64 | 3D | |
| D98665-071M | 137662 D98665-071M | ST4.2 (8-18) | 1.00 - 1.27 | 12.7 | 7.92 - 7.92 | 14.98 | 20.95 | 0.71 | 4J |
