| MATERIAL | STEEL OR |
| STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-500 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 330 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 10.3125 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 10.375 INCHES |
| FACE NOMINAL WIDTH | 0.400 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.740 INCHES FIRST END |
| 0.140 INCHES SECOND END |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.563 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 0.930 INCHES SECOND END |
| END NOMINAL LENGTH | 0.313 INCHES FIRST END |
| END NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.427 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 1.875 INCHES FIRST END |
| BODY STYLE | WEBBED, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.190 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB, FIRST END |