Home » KFN542-4 Self-locking Assembled Washer Nut
KFN542-4 Self-locking Assembled Washer Nut
KFN542-4 Self-locking Assembled Washer Nut (2)
KFN542-4 Self-locking Assembled Washer Nut (3)
KFN542-4 Self-locking Assembled Washer Nut
KFN542-4 Self-locking Assembled Washer Nut (2)
KFN542-4 Self-locking Assembled Washer Nut (3)

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KFN542-4 Self-locking Assembled Washer Nut

ECCN
EAR99
Schedule
8112.29.0000
Manufacturer certifications are shipped with your order FREE of charge
Unit of Measure: EA

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Material
Steel comp e4340 nut or steel comp 4140 nut or steel comp 8740 nutsteel washer
Surface Treatment
Cl 2 federal specification single treatment response type 2 qq-p-416
Thread Class
3b
Thread Series
Unjf (fine thread with external controlled root radius)
Thread Size
0.250 inches
Counterbore Diameter
0.283 inches nut and 0.288 inches nut
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Locking Feature
Prevailing torque all metal design
Material Specification
Mil-s-5000 military specification 1st material response nut or mil-s-5626 military specification 2nd material response nut or mil-s-6049 military specification 3rd material response nut
Nut Counterbore Depth
0.087 inches nut and 0.097 inches nut
Nut Style
Flat with turned up edge
Overall Height
0.280 inches
Special Features
Washer rockwell c scale 40.0 min and 45.0 max
Tempurature Rating
450.0 degrees fahrenheit
Thread Direction
Right-hand
Thread Qty Per Inch (tpi)
28
Washer Outside Diameter
0.460 inches
Width Across Flats
Between 0.306 inches and 0.313 inches