NATO Stock Number
3020-00-148-3888
Sold in multiples of
1 EA
DEMIL
NO
Outside Diameter
2.490 inches
Overall Length
0.875 inches
Keyway Width
Between 0.251 inches and 0.253 inches
Thread Size
1/4-28
Bore Diameter
Between 1.135 inches and 1.140 inches
Bore Length
0.875 inches
Distance From Center Of Bore To Bottom Of Keyway
Between 0.673 inches and 0.676 inches
Pitch Diameter
2.250 inches
Securing Hole Quantity
1
Furnished Items And Quantity
Setscrew, one each
Face Width
0.284 inches
Design Form
Plain
Bore Type
Straight
Counterbore Feature
Not included
Hole Location
On hub portion on top of keyway
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Threaded hole
Lightening Hole
Not included
Protruding Hub Characteristic
Plain
Securing 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
14
Asa Standard Chain Number
40
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
1.719 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.591 inches aa end
Material
Steel
Material
Steel
Quantity
1
Style Designator
Plain
