NATO Stock Number
3020-00-831-0254
Sold in multiples of
DEMIL
NO
Spline Major Diameter
Between 1.5500 inches and 1.5612 inches
Counterbore Diameter
Between 1.995 inches and 2.000 inches
Counterbore Depth
0.188 inches
Outside Diameter
Between 3.915 inches and 3.920 inches
Overall Length
2.438 inches
Spline Quantity
23
Spline Minor Diameter
Between 1.3750 inches and 1.3775 inches
Pitch Diameter
3.599 inches
Face Width
0.343 inches
Design Form
Plain
Bore Type
Involute spline
Spline Pressure Angle In Deg
30.0
Spline Length
2.250 inches
Counterbore Feature
Included
Spline Pitch Diameter
1.4375 inches
Counterbore Location
Bb end
Lightening Hole
Not included
Protruding Hub Characteristic
Stepped
Groove/step Location
Aa end
Belt/chain/film Size For Which Designed
Roller chain
Roller Chain Pitch Type For Which Designed
Single pitch
Teeth Row Quantity
1
Teeth Quantity Per Row
18
Asa Standard Chain Number
50
Hardness Rating Test Method
Not rated
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.625 inches
Hub End Outside Diameter And Location
2.375 inches bb end
Distance From Outside Flange/rim To Hub End And Location
1.016 inches bb end and 1.019 inches bb end
First Step Face Largest Diameter And Location
2.375 inches aa end
First Step Length And Location
0.500 inches aa end
Second Step Length And Location
0.578 inches aa end and 0.581 inches aa end
Hub End Outside Diameter And Location
1.995 inches aa end and 2.000 inches aa end
Material
Steel, qq-s-681, class 120-95
Material
Steel comp 120-95
Material Specification
Qq-s-681, class 120-95 federal specification single material response
Surface Treatment
Phosphate
Style Designator
Plain
Surface Treatment
Phosphate
