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NAS1030A4
One Lug Locknut Plate
Description
Thread Size: 1/4", Nut Length: 1", Nut Height: 3/8"
Specifications
| Center To Center Distance Between Mounting Holes Along Length | 0.310 inches minimum and 0.314 inches maximum |
|---|---|
| Countersink Angle | 120.0 degrees nominal nut |
| Distance From Aperture Center To Mounting Hole Center | 0.339 inches minimum and 0.349 inches maximum |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| Nut Height | 0.375 inches maximum |
| Nut Length | 1.038 inches maximum |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.075 inches maximum |
| Plate Width | 0.516 inches maximum |
| Special Features | Beveled seat |
| Specification Data | 80205-nas1030 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Size | 0.250 |
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Catalog data updated 2026-07-05. Report a data error