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KFN542-08
Locking Assembled Washer Nut Self
Description
Thread Size: 1/8", Head Width: 1/4
Specifications
| Counterbore Diameter | 0.197 inches minimum nut and 0.202 inches maximum nut |
|---|---|
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Locking Feature | Prevailing torque all metal design |
| Material | Steel |
| Material Specification | Mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-5626 mil spec 3rd material response |
| Nut Counterbore Depth | 0.087 inches minimum nut and 0.097 inches maximum nut |
| Nut Style | Flat with turned up edge |
| Overall Height | 0.240 inches maximum |
| Special Features | Washer rockwell c scale 40.0 min and rockwell c scale 45.0 max |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty2 cl2 mil spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJC |
| Thread Size | 0.164 |
| Washer Outside Diameter | 0.340 inches maximum |
| Width Across Flats | 0.212 inches minimum and 0.220 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for KFN542-08. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error