| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND |
| AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 85.0 ROCKWELL SUPERFICIAL 15-N MINIMUM BODY |
| TEETH QUANTITY | 75 |
| TEETH TYPE | SPUR |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 25.0000 DEGREES |
| STYLE DESIGNATOR | PLAIN RING |
| PITCH DIAMETER | 12.5000 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.560 INCHES |
| NOMINAL OUTSIDE DIAMETER | 14.387 INCHES |
| FACE NOMINAL WIDTH | 1.560 INCHES |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 25 THREADED TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES TRANSVERSELY THROUGH FACE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 13.750 INCHES AXIALLY THROUGH BODY, FIRST END |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 7708613 |