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BACN10JC5
Locknut
Description
Thread Size: 1/4", Nut Height: 1/4", Head Width: 1/2
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Countersink Angle | 120.0 degrees nominal nut |
| Hardness Rating | 36.0 rockwell c minimum and 44.0 rockwell c maximum |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Material Specification | Mil-s-6040 mil spec 1st material response nut or ams 6378 assn std 2nd material response nut or ams 6350 assn std 3rd material response nut or sae assn std 4th material response nut or sae assn std 5th material response nut or sae assn std 6th material response nut |
| Nut Height | 0.268 inches maximum |
| Nut Style | Hexagon |
| Specification Data | 81205-bacn10jc manufacturers standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Size | 0.312 |
| Width Across Flats | 0.492 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- BACN10JC5CD BAC 5/16-24 · Iron
- BACN10JC5CM BAC 5/16-24 · Iron
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Catalog data updated 2026-07-05. Report a data error