| ASA STANDARD CHAIN NUMBER | 80 |
| BOLT CIRCLE DIAMETER | 8.000 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| BORE DIAMETER | 6.005 INCHES MINIMUM AND 6.010 INCHES MAXIMUM |
| BORE LENGTH | 0.750 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.063 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 5.880 INCHES NOMINAL |
| COUNTERBORE LOCATION | AA END |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.088 INCHES NOMINAL BOTH ENDS |
| DRILLED HOLE DIAMETER | 0.641 INCHES NOMINAL |
| FACE WIDTH | 0.575 INCHES NOMINAL |
| FURNISHED ITEMS | COUNTERBORE |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HOLE LOCATION | ON FACE OF HUB |
| HUB OUTSIDE DIAMETER | 17.640 INCHES NOMINAL BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766, CLASS 321, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 321 |
| OUTSIDE DIAMETER | 20.640 INCHES NOMINAL |
| OVERALL LENGTH | 0.750 INCHES NOMINAL |
| PITCH DIAMETER | 20.062 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SECURING HOLE QUANTITY | 6 |
| SECURING LOCATION | BOTH ENDS |
| SECURING METHOD | DRILLED HOLE |
| STYLE DESIGNATOR | PLAIN |
| TEETH QUANTITY PER ROW | 63 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 1.000 INCHES NOMINAL |