Acetal Spur Gear, 20 Pitch, 0.375" Bore, 20 Degree, .380 Face, 40 Tooth, 2 Units
Type     Spur Gear
Number of Teeth     40
Hub Diameter (Decimal Inch)     .730"
Pitch Diameter (Decimal Inch)     2.10"
Bore Diameter (Inch)     0.375" 
Face Width (Inch)     .375"
Pressure Angle     20
Pitch:  20
Helical OD  2.10"