| ASA STANDARD CHAIN NUMBER | 50 |
| BORE DIAMETER | 0.788 INCHES MINIMUM AND 0.789 INCHES MAXIMUM |
| BORE LENGTH | 1.013 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.436 INCHES MINIMUM AND 0.441 INCHES MAXIMUM |
| DISTANCE FROM HUB END TO FLANGE END | 0.658 INCHES NOMINAL BOTH ENDS |
| FURNISHED ITEMS | KEYING FACILITY |
| FACE WIDTH | 0.355 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 1.250 INCHES NOMINAL BOTH ENDS |
| KEYING FACILITY TYPE | KEYWAY |
| KEYWAY WIDTH | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| OVERALL LENGTH | 1.013 INCHES NOMINAL |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 3.714 INCHES NOMINAL |
| PITCH DIAMETER | 3.400 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| QUANTITY | 1 |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | CADMIUM |
| TEETH QUANTITY PER ROW | 17 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |