NATO Stock Number
3020-01-154-9890
Sold in multiples of
1 EA
DEMIL
NO
Attachment Method
Mounting hole
Pitch Diameter
2.5180 inches
Face Type
Concave
Bore Style
W/stepped counterbore first end
Features Provided
Retaining ring groove
Mounting Hole Thread Series Designator
Unf transversely through hub, first end
Mounting Hole Thread Size
0.086 inches transversely through hub, first end
Mounting Hole Type And Quantity
4 threaded transversely through hub, first end
Outside Diameter
2.606 inches
Mating Pitch Diameter
0.5000 inches
Thread Form Quantity
64
Thread Form Direction
Right-hand
Pressure Angle
27.5000 degrees
Distance Between Body Face And Protruding Hub End
2.032 inches first end
Body Recess Depth
0.656 inches second end
Face Width
0.750 inches
Bore Diameter
1.150 inches first end
Counterbore Depth
0.547 inches first counterbore, second end
Counterbore Depth
1.347 inches second counterbore, second end
Counterbore Diameter
1.255 inches second counterbore, second end
Counterbore Diameter
1.337 inches first counterbore, second end
Hub Style Designator
2 steps first end
End Length
0.312 inches first end
Precision Classification
Quality number 3
End Diameter
1.399 inches first end
First Step Length
0.328 inches first end
First Step Diameter
1.430 inches first end
Second Step Length
1.392 inches first end
Second Step Diameter
1.437 inches first end
Material
Steel comp 1035 or steel comp 1045
Material Specification
Astm a108 assn standard all material responses
Surface Treatment
Oxide film and chromate
Surface Treatment Specification
Mil-std-171 fn 3.3.1 military standard all treatment responses
Style Designator
Protruding hub, recessed body
