NATO Stock Number
3020-00-289-7831
Sold in multiples of
1 EA
DEMIL
NO
Counterbore Diameter
3.435 inches
Counterbore Depth
0.406 inches
Outside Diameter
7.609 inches
Overall Length
1.812 inches
Thread Size
1/2 in. -20
Bore Diameter
0.812 inches
Bore Length
0.938 inches
Pitch Diameter
7.327 inches
Securing Hole Quantity
2
Face Width
Between 1.390 inches and 1.405 inches
Design Form
Webbed
Bore Type
Straight
Counterbore Feature
Included
Counterbore Location
Both ends
Hole Location
On webbing, 180 degrees apart, on a 2-3/4 in. Bolt circle
Keying Facility
Not included
Securing Method
Threaded hole
Lightening Hole
Not included
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
46
Asa Standard Chain Number
40-3
Hardness Rating Test Method
Not rated
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.500 inches
Hub End Outside Diameter And Location
4.250 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.4075 inches aa end and 0.4225 inches aa end
Material
Steel, sae 1040
Material
Steel comp 1040
Material Specification
Sae 1040 assn standard single material response
Style Designator
Webbed or spoked
