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NAS684X4
Corner Locknut Plate
Description
Thread Size: 1/4", Nut Length: 27/32", Nut Height: 9/32"
Specifications
| Counterbore Diameter | 0.254 inches minimum nut |
|---|---|
| Distance From Aperture Center To Mounting Hole Center | 0.495 inches minimum and 0.505 inches maximum |
| Hardness Rating | 49.0 rockwell c maximum |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Soluble lubricant |
| Material | Steel |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| Nut Counterbore Depth | 0.062 inches minimum nut |
| Nut Height | 0.281 inches maximum |
| Nut Length | 0.852 inches maximum |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.055 inches maximum |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec all treatment responses |
| Temperature Rating | 450.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Size | 0.250 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error