NATO Stock Number
3020-00-020-3954
Sold in multiples of
DEMIL
NO
Attachment Method
Mounting hole
Pitch Diameter
1.2500 inches
Teeth Quantity
80
Bore Style
Plain both ends
Backlash Designation
Grade a
Mounting Hole Thread Series Designator
Unc axially through hub, first end
Mounting Hole Thread Series Designator
Unc axially through hub, second end
Mounting Hole Thread Size
0.086 inches axially through hub, first end
Mounting Hole Thread Size
0.086 inches axially through hub, second end
Mounting Hole Type And Quantity
1 threaded axially through hub, first end
Mounting Hole Type And Quantity
1 threaded axially through hub, second end
Outside Diameter
1.276 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.169 inches first end
Distance Between Body Face And Protruding Hub End
0.032 inches second end
Face Width
0.062 inches
Bore Diameter
0.090 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
0.257 inches second end
End Length
0.138 inches first end
Precision Classification
Quality number 10 or quality number 11
End Diameter
0.245 inches first end
First Step Length
0.031 inches first end
First Step Diameter
0.625 inches first end
Material
Steel comp 302 body
Material
Steel comp 303 hub
Material Specification
Qq-s-766, cond a federal specification single material response body
Material Specification
Qq-s-766, cond a federal specification single material response hub
Surface Treatment
Passivate
Style Designator
Protruding hubs