| ASA STANDARD CHAIN NUMBER | 50 |
| BORE TYPE | INVOLUTE SPLINE |
| COUNTERBORE DIAMETER | 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| COUNTERBORE LOCATION | BB END |
| COUNTERBORE DEPTH | 0.188 INCHES NOMINAL |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 1.016 INCHES MINIMUM AND 1.019 INCHES MAXIMUM BB END |
| FURNISHED ITEMS | COUNTERBORE |
| FACE WIDTH | 0.343 INCHES NOMINAL |
| FIRST STEP DIAMETER | 2.375 INCHES NOMINAL AA END |
| FIRST STEP LENGTH | 0.500 INCHES NOMINAL AA END |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM AA END |
| HUB OUTSIDE DIAMETER | 2.375 INCHES NOMINAL BB END |
| OUTSIDE DIAMETER | 3.915 INCHES MINIMUM AND 3.920 INCHES MAXIMUM |
| OVERALL LENGTH | 2.438 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-681, CLASS 120-95 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 120-95 |
| PITCH DIAMETER | 3.599 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| SECOND STEP LENGTH | 0.578 INCHES MINIMUM AND 0.581 INCHES MAXIMUM AA END |
| SPECIAL FEATURES | BB HUB END TAPERED,0.376 IN. TAPER LG,2.250 IN. DIA,SMALL END OF TAPER |
| SPLINE LENGTH | 2.250 INCHES NOMINAL |
| SPLINE MAJOR DIAMETER | 1.5500 INCHES MINIMUM AND 1.5612 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 1.3750 INCHES MINIMUM AND 1.3775 INCHES MAXIMUM |
| SPLINE PITCH DIAMETER | 1.4375 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE QUANTITY | 23 |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | PHOSPHATE |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 18 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |