nuts › self-locking hexagon nuts
M45913/1-8FS3
Locknut
Description
Thread Size: 1/2", Nut Height: 5/8", Head Width: 3/4"
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Hardness Rating | 28.0 rockwell c maximum |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Lubrication | Dry film lubricant |
| Material | CRES |
| Nut Height | 0.579 inches minimum and 0.609 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Passivate except insert |
| Surface Treatment Specification | Qq-p-35,ty 2 fed spec single treatment response except insert |
| Temperature Rating | 250.0 deg fahrenheit |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Size | 0.500 |
| Width Across Flats | 0.736 inches minimum and 0.752 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for M45913/1-8FS3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error