NATO Stock Number
3020-00-517-2449
Sold in multiples of
1 EA
DEMIL
NO
Spline Major Diameter
Between 0.749 inches and 0.750 inches
Counterbore Diameter
0.766 inches and 0.766 inches
Counterbore Depth
0.594 inches and 0.594 inches
Outside Diameter
3.938 inches
Overall Length
3.063 inches
Spline Quantity
6
Spline Minor Diameter
Between 0.642 inches and 0.644 inches
Pitch Diameter
3.672 inches
Face Width
1.390 inches
Design Form
Webbed
Bore Type
Straight spline
Metallic Hardness Rating And Location
32.0 rockwell c hub and 36.0 rockwell c hub
Spline Length
1.875 inches
Counterbore Feature
Included
Counterbore Location
Both ends
Keying Facility
Not included
Lightening Hole
Not included
Protruding Hub Characteristic
Stepped
Groove/step Location
Both ends
Belt/chain/film Size For Which Designed
Roller chain
Roller Chain Pitch Type For Which Designed
Single pitch
Teeth Row Quantity
3
Center To Center Distance Between Teeth Rows
0.566 inches
Teeth Quantity Per Row
23
Asa Standard Chain Number
40-3
Hardness Rating Test Method
Rockwell
Teeth Hardness Rating
Between 32.0 rockwell c and 36.0 rockwell c
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.500 inches
Hub End Outside Diameter And Location
1.125 inches both ends and 1.126 inches both ends
Distance From Outside Flange/rim To Hub End And Location
1.125 inches aa end and 1.126 inches aa end and 0.831 inches bb end and 0.833 inches bb end
First Step Face Largest Diameter And Location
1.500 inches both ends
First Step Length And Location
0.781 inches both ends
Second Step Length And Location
0.050 inches both ends and 0.052 inches both ends
Material
Steel, sae 3140
Material
Steel comp 3140
Material Specification
Sae 3140 assn standard single material response
Style Designator
Webbed or spoked
