| MATERIAL | STEEL COMP 4150 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND |
| AISI/SAE 4150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 24 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 14.5000 DEGREES |
| HELIX ANGLE | 45.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| PITCH DIAMETER | 1.0000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 1.0580 INCHES |
| FACE NOMINAL WIDTH | 0.344 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES FIRST END |
| BODY RECESS NOMINAL DEPTH | 0.094 INCHES FIRST END |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.2500 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| BODY STYLE | WEBBED, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.063 INCHES TRANSVERSELY THROUGH HUB, FIRST END |