| ASA STANDARD CHAIN NUMBER | 25-2 |
| BORE DIAMETER | 0.7485 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM |
| BORE LENGTH | 1.250 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.252 INCHES NOMINAL |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.891 INCHES NOMINAL BOTH ENDS |
| FACE WIDTH | 0.359 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HOLE LOCATION | ONE HOLE DRILLED THROUGH HUB,0.400 IN.FROM HUB END |
| HUB OUTSIDE DIAMETER | 1.047 INCHES NOMINAL AA END |
| OUTSIDE DIAMETER | 1.490 INCHES NOMINAL |
| OVERALL LENGTH | 1.250 INCHES NOMINAL |
| MATERIAL | STEEL |
| PITCH DIAMETER | 1.361 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SECURING HOLE QUANTITY | 2 |
| SECURING LOCATION | AA END |
| SECURING METHOD | DRILLED HOLE |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | CADMIUM |
| TEETH ROW QUANTITY | 2 |
| TEETH QUANTITY PER ROW | 17 |
| TOOTH PITCH | 0.250 INCHES NOMINAL |