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MS21083C10
0.6250-18 Thread Size Self-Locking Machine Nut
Description
0.6250-18 Thread Size Self-Locking Machine Nut
Specifications
| Bearing Surface Finish | 125 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88 degrees |
| Features | Low Height |
| Industry Standards/Certification | MS21083 |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Lubrication | Soluble lubricant |
| Material | CRES |
| Maximum Dimension A | 0.407 in |
| Maximum Dimension B | 0.940 in |
| Minimum Dimension A | 0.376 in |
| Minimum Dimension B | 0.928 in |
| Minimum Dimension C | 1.051 in |
| Nut Height | 0.407 |
| Nut Style | Hexagon |
| Service Temperature | 250 ºF |
| Surface Treatment | Passivate except insert |
| Temperature Rating | 250 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread MIL-S-8879 | 0.6250-18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.625, 5/8-18 |
| Type | Self-Locking Nut |
| Weight | .005 lb |
| Width Across Flats | Between 0.928 inches and 0.940 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error