NATO Stock Number
3020-00-139-3179
Sold in multiples of
DEMIL
NO
Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 3.9990 inches and 4.0000 inches
Teeth Quantity
320
Bore Style
Plain both ends
Backlash Designation
Grade d
Mounting Hole Type And Quantity
1 plain axially through body, first end
Outside Diameter
0.024 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.125 inches
Bore Diameter
2.812 inches both ends
Precision Classification
Quality number 11
Mounting Hole Diameter
0.093 inches axially through body, first end
Bolt Hole Circle Diameter
3.300 inches axially through body, first end
Material
Aluminum alloy 6061
Material Specification
Qq-a-250/11, t6 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
Style Designator
Hubless