| MATERIAL | NICKEL ALLOY K-500 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND |
| 30.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 32 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 4.250 INCHES |
| FACE NOMINAL WIDTH | 1.250 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.187 INCHES FIRST END |
| 0.500 INCHES SECOND END |
| BORE STYLE | W/ 2 KEYWAYS FIRST END |
| W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 0.437 INCHES FIRST END |
| 0.437 INCHES COUNTERBORE, FIRST END |
| KEYWAY NOMINAL WIDTH | 0.376 INCHES FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.449 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 1.312 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 1.502 INCHES COUNTERBORE, FIRST END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 0.750 INCHES SECOND END |
| END NOMINAL LENGTH | 1.125 INCHES FIRST END |
| END NOMINAL DIAMETER | 2.748 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.062 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 3.620 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| SPECIAL FEATURES | THD BORE, 0.437-20UNF-2B |