| ASA STANDARD CHAIN NUMBER | 40 |
| BORE DIAMETER | 1.500 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| BORE LENGTH | 0.938 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| DISTANCE FROM HUB END TO FLANGE END | 0.201 INCHES NOMINAL BB END |
| DISTANCE FROM HUB END TO FLANGE END | 0.452 INCHES NOMINAL AA END |
| FURNISHED ITEMS | KEYING FACILITY |
| FACE WIDTH | 0.284 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HUB OUTSIDE DIAMETER | 2.625 INCHES NOMINAL BOTH ENDS |
| KEY WIDTH | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| KEYING FACILITY TYPE | KEYWAY |
| KEYWAY WIDTH | 0.253 INCHES NOMINAL |
| OVERALL LENGTH | 0.938 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1020 |
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM HUB AND 45.0 ROCKWELL C MAXIMUM HUB |
| OUTSIDE DIAMETER | 3.442 INCHES MINIMUM AND 3.472 INCHES MAXIMUM |
| PITCH DIAMETER | 3.196 INCHES NOMINAL |
| QUANTITY | 1 |
| SPECIAL FEATURES | 0.062 IN. DEEP BY 45 DEG ANGLE CHAMFER ON BORE END ON 1ST END OF HUB,0.125 IN. DIA HOLE DRILLED ON A 8 DEG ANGLE FROMBASE OF TEETH @INTO BORE ON 2ND END OF HUB |
| STYLE DESIGNATOR | PLAIN |
| TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| TEETH QUANTITY PER ROW | 20 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 0.500 INCHES NOMINAL |