| MATERIAL | STEEL COMP 4320 OR |
| STEEL COMP 8620H OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COMP 4320 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-S-624,COMP 8620H FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 37 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 24.6200 DEGREES |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE RECESSED HUB |
| PITCH DIAMETER | 6.7835 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.999 INCHES |
| NOMINAL OUTSIDE DIAMETER | 7.114 INCHES |
| FACE NOMINAL WIDTH | 1.188 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.813 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.094 INCHES SECOND END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.349 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.498 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.382 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 3.000 INCHES FIRST END |
| 3.000 INCHES SECOND END |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |