| ASA STANDARD CHAIN NUMBER | E-40 |
| BORE TYPE | STRAIGHT SPLINE |
| CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM |
| DESIGN FORM | WEBBED |
| DISTANCE FROM HUB END TO FLANGE END | 0.232 INCHES MINIMUM AND 0.240 INCHES MAXIMUM AA END |
| FURNISHED ITEMS | LIGHTENING HOLELIGHTENING HOLE |
| FACE WIDTH | 1.398 INCHES MINIMUM AND 1.407 INCHES MAXIMUM |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 3.000 INCHES NOMINAL BOTH ENDS |
| OVERALL LENGTH | 1.872 INCHES MINIMUM AND 1.872 INCHES MINIMUM AND 1.878 INCHES MAXIMUM1.878 INCHES MAXIMUM |
| MATERIAL | IRON CAST |
| OUTSIDE DIAMETER | 6.815 INCHES MINIMUM AND 6.815 INCHES MINIMUM AND 6.831 INCHES MAXIMUM6.831 INCHES MAXIMUM |
| PITCH DIAMETER | 5.952 INCHES MINIMUM AND 5.952 INCHES MINIMUM AND 5.968 INCHES MAXIMUM5.968 INCHES MAXIMUM |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPLINE MINOR DIAMETER | 1.933 INCHES MINIMUM AND 1.933 INCHES MINIMUM AND 1.935 INCHES MAXIMUM1.935 INCHES MAXIMUM |
| SPLINE QUANTITY | 1010 |
| SPLINE LENGTH | 1.872 INCHES MINIMUM AND 1.878 INCHES MAXIMUM |
| SPLINE MAJOR DIAMETER | 2.248 INCHES MINIMUM AND 2.248 INCHES MINIMUM AND 2.250 INCHES MAXIMUM2.250 INCHES MAXIMUM |
| STYLE DESIGNATOR | WEBBED OR SPOKED |
| TEETH QUANTITY PER ROW | 41 |
| TEETH ROW QUANTITY | 3 |
| TOOTH PITCH | 0.500 INCHES NOMINAL |