| ASA STANDARD CHAIN NUMBER | 40 |
| BORE DIAMETER | 1.001 INCHES NOMINAL |
| BORE LENGTH | 1.250 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.619 INCHES NOMINAL |
| DISTANCE FROM HUB END TO FLANGE END | 0.971 INCHES NOMINAL AA END |
| FURNISHED ITEMS | KEYING FACILITY |
| FACE WIDTH | 0.279 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HOLE LOCATION | 2 HOLES 0.188 IN.FROM END OF HUB 90 DEG APART |
| HUB OUTSIDE DIAMETER | 1.750 INCHES NOMINAL AA END |
| KEYING FACILITY TYPE | KEYWAY |
| KEYWAY WIDTH | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 6.331 INCHES MINIMUM AND 6.337 INCHES MAXIMUM |
| OVERALL LENGTH | 1.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 302, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 302 |
| PITCH DIAMETER | 6.003 INCHES MINIMUM AND 6.005 INCHES MAXIMUM |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| QUANTITY | 1 |
| SECURING HOLE QUANTITY | 2 |
| SECURING LOCATION | AA END |
| SECURING METHOD | THREADED HOLE |
| STYLE DESIGNATOR | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 38 |
| THREAD SIZE | 0.250-20 |
| TOOTH PITCH | 0.500 INCHES NOMINAL |