nuts › self-locking extended washer nuts
48FLW820
Locking Extended Washer Nut Self
Description
Thread Size: 1/2", Head Width: 5/8
Specifications
| Hardness Rating | Between 34.0 rockwell c and 43.0 rockwell c |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Material Specification | Ams 6322 assn standard single material response |
| Nut Style | Double hexagon |
| Overall Height | 0.549 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 qq-p-416 |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.500 |
| Washer Outside Diameter | Between 0.823 inches and 0.863 inches |
| Washer Thickness | 0.074 |
| Width Across Flats | Between 0.616 inches and 0.627 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 48FLW820. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error