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MS21045C8
0.5000-20 Thread Size MS21045 (AN363) Self-Locking Machine Nut
Description
0.5000-20 Thread Size MS21045 (AN363) Self-Locking Machine Nut
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees nominal nut |
| Features | Regular Height |
| Industry Standards/Certification | MS21045 |
| Locking Feature | Prevailing torque all metal design |
| Lubricant | Dry Lubricant |
| Lubrication | Dry film lubricant |
| Material | CRES |
| Maximum Dimension A | 0.610 in |
| Maximum Dimension B | 0.752 in |
| Minimum Dimension A | 0.575 in |
| Minimum Dimension B | 0.741 in |
| Minimum Dimension C | 0.837 in |
| Minimum Dimension F | 0.221 in |
| Nut Height | 0.575 inches minimum and 0.610 inches maximum |
| Nut Style | Hexagon |
| Service Temperature | 450 ºF |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread MIL-S-8879 | 0.5000-20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Size | 0.500, 7/16-20 |
| Type | Self-Locking Nut |
| Weight | .005 lb |
| Width Across Flats | 0.741 inches minimum and 0.752 inches maximum |
Other sizes
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Catalog data updated 2026-07-05. Report a data error