| ATTACHMENT METHOD | MOUNTING HOLE |
| BACKLASH DESIGNATION | GRADE C |
| BODY STYLE | PLAIN, SOLID |
| FACE NOMINAL WIDTH | 1.191 INCHES |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL OUTSIDE DIAMETER | 1.486 INCHES |
| PITCH DIAMETER | 1.2666 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | ONE EXTERNAL GROOVE 0.255 IN. W,0.062 IN. DEEP,1.472 IN. LG |
| STYLE DESIGNATOR | PLAIN RING |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 76 |
| TEETH TYPE | SPUR |