| DISTANCE FROM HUB END TO FLANGE END | 0.470 INCHES NOMINAL AA END |
| ASA STANDARD CHAIN NUMBER | 50 |
| BORE DIAMETER | 1.250 INCHES MINIMUM AND 1.253 INCHES MAXIMUM |
| BORE LENGTH | 0.813 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| COUNTERBORE DEPTH | 0.625 INCHES NOMINAL |
| COUNTERBORE LOCATION | BB END |
| COUNTERBORE DIAMETER | 1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM |
| DESIGN FORM | PLAIN |
| FURNISHED ITEMS | COUNTERBORE |
| FACE WIDTH | 0.343 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 1.672 INCHES NOMINAL AA END |
| OUTSIDE DIAMETER | 2.710 INCHES NOMINAL |
| OVERALL LENGTH | 0.813 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI OR SAE 1040 OR 1045 FED STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1040 OR STEEL COMP 1045 |
| PITCH DIAMETER | 2.415 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPECIAL FEATURES | ONE OIL GROOVE APPROX 0.038 IN. DEEP BY 0.050 TO 0.060 IN. WIDE LOCATED 0.547 IN. FROM AA END OF HUB |
| STYLE DESIGNATOR | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 12 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |