• Hole Diameter : 0.256 inches minimum and 0.267 inches maximum
  • Outside Diameter : 0.494 inches minimum and 0.510 inches maximum
  • Material Thickness : 0.023 inches minimum and 0.028 inches maximum
  • Hardness Rating : 40.0 rockwell c minimum and 50.0 rockwell c maximum
  • Material : Steel comp 1050 overall or steel comp 1551 overall or steel comp 1552 overall or steel comp 1053 overall or steel comp 1055 overall or steel comp 1059 overall or steel comp 1060 overall or steel comp 1561 overall or steel comp 1064 overall
  • Material : Steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064 overall
  • Material Specification : 66 fed std all material responses overall
  • Surface Treatment : Cadmium overall and chromate overall
  • Surface Treatment : Cadmium and chromate overall
  • Surface Treatment Specification : Qq-p-416,ty 2,cl 3 fed spec single treatment response overall
  • Style Designator : Flat external teeth

Lock Washer

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    diameter: 1/4", carbon steel