| DISTANCE FROM HUB END TO FLANGE END | 1.0625 INCHES NOMINAL BOTH ENDS |
| ASA STANDARD CHAIN NUMBER | 50 |
| BORE DIAMETER | 1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM |
| BORE LENGTH | 1.3125 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.683 INCHES MAXIMUM |
| FURNISHED ITEMS AND QUANTITY | ONE 1/4 IN. -20 BY 3/16 IN. LG SETSCREW |
| FURNISHED ITEMS | KEYING FACILITY |
| FACE WIDTH | 0.240 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HOLE LOCATION | LOCATED ON TOP OF KEYWAY |
| KEYWAY WIDTH | 0.250 INCHES NOMINAL |
| KEYING FACILITY TYPE | KEYWAY |
| OUTSIDE DIAMETER | 2.4375 INCHES NOMINAL |
| OVERALL LENGTH | 1.3125 INCHES NOMINAL |
| MATERIAL | STEEL |
| METALLIC HARDNESS RATING AND LOCATION | 58.0 ROCKWELL C NOMINAL BODY |
| PITCH DIAMETER | 2.415 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| QUANTITY | 1 |
| SECURING HOLE QUANTITY | 1 |
| SECURING LOCATION | AA END |
| SECURING METHOD | THREADED HOLE |
| SPECIAL FEATURES | FIRST STEP FACE LARGEST DIAMETER 1.6875 IN.,FIRST STEP LENGTH 0.500 IN.,SECOND STEP LENGTH 0.5625 IN. |
| STYLE DESIGNATOR | PLAIN |
| TEETH HARDNESS RATING | 50.0 ROCKWELL C MINIMUM |
| TEETH QUANTITY PER ROW | 12 |
| TEETH ROW QUANTITY | 1 |
| THREAD SIZE | 1/4 IN.-20 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |