| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM HUB |
| 32.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM TEETH |
| TEETH QUANTITY | 24 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 0.7500 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.498 INCHES |
| NOMINAL OUTSIDE DIAMETER | 0.810 INCHES |
| FACE NOMINAL WIDTH | 0.278 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.220 INCHES FIRST END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.437 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.062 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.249 INCHES BOTH ENDS |
| HUB NOMINAL DIAMETER | 0.676 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.125 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 90073 |
| DESIGN CONTROL REFERENCE | 3320-568 |