| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM HUB |
| 30.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM TEETH |
| TEETH QUANTITY | 43 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 1.3437 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.625 INCHES |
| NOMINAL OUTSIDE DIAMETER | 1.406 INCHES |
| FACE NOMINAL WIDTH | 0.312 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.312 INCHES FIRST END |
| BORE STYLE | PLAIN FIRST END |
| BORE NOMINAL DIAMETER | 0.250 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 0.750 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | THREADED AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 AXIALLY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | BORE PROVISION INCLUDED; BORE LENGTH 0.625 IN.; CIRCULAR PITCH 0.09818 IN. |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 59440 |
| DESIGN CONTROL REFERENCE | 149-103 |