| ASA STANDARD CHAIN NUMBER | 40-3 |
| BORE DIAMETER | 0.812 INCHES NOMINAL |
| BORE LENGTH | 0.938 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| CENTER TO CENTER DISTANCE BETWEEN TEETH ROWS | 0.566 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 3.435 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.406 INCHES NOMINAL |
| COUNTERBORE LOCATION | BOTH ENDS |
| DESIGN FORM | WEBBED |
| DISTANCE FROM HUB END TO FLANGE END | 0.4075 INCHES MINIMUM AND 0.4225 INCHES MAXIMUM AA END |
| FURNISHED ITEMS | COUNTERBORE |
| FACE WIDTH | 1.390 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HOLE LOCATION | ON WEBBING,180 DEG APART,ON A 2-3/4 IN. BOLT CIRCLE |
| HUB OUTSIDE DIAMETER | 4.250 INCHES NOMINAL AA END |
| OVERALL LENGTH | 1.812 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1040 |
| OUTSIDE DIAMETER | 7.609 INCHES NOMINAL |
| PITCH DIAMETER | 7.327 INCHES NOMINAL |
| SECURING HOLE QUANTITY | 2 |
| SECURING METHOD | THREADED HOLE(S) |
| SPECIAL FEATURES | HUB COUNTERBORE IS TAPERED 1.505 TO 1.495 IN. PER FT,SPOT FACE 1.375 IN. DIA BY 0.469 IN. THK CENTRALLY LOCATED IN FACE OF WEBBING |
| STYLE DESIGNATOR | WEBBED OR SPOKED |
| TEETH QUANTITY PER ROW | 46 |
| TEETH ROW QUANTITY | 3 |
| THREAD SIZE | 1/2 IN. -20 |
| TOOTH PITCH | 0.500 INCHES NOMINAL |