| ASA STANDARD CHAIN NUMBER | 50-1 |
| BORE DIAMETER | 0.625 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| BORE LENGTH | 1.000 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.563 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| DISTANCE FROM HUB END TO FLANGE END | 0.657 INCHES NOMINAL AA END |
| FURNISHED ITEMS | KEYING FACILITY |
| FACE WIDTH | 0.343 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 1.984 INCHES NOMINAL AA END |
| KEYING FACILITY TYPE | KEYWAY |
| KEYWAY WIDTH | 0.250 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.710 INCHES NOMINAL |
| OVERALL LENGTH | 1.000 INCHES NOMINAL |
| MATERIAL | STEEL |
| PITCH DIAMETER | 2.415 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| QUANTITY | 1 |
| SECURING LOCATION | AA END |
| SECURING METHOD | SETSCREW |
| STYLE DESIGNATOR | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 12 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |