| BODY RECESS NOMINAL DEPTH | 0.253 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | W/COUNTERBORE SECOND END |
| BORE NOMINAL DIAMETER | 1.360 INCHES SECOND END |
| COUNTERBORE NOMINAL DEPTH | 1.243 INCHES COUNTER BORE, SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 3.200 INCHES COUNTER BORE, SECOND END |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| FACE NOMINAL WIDTH | 0.900 INCHES |
| HARDNESS RATING | 60.0 ROCKWELL C NOMINAL HUB |
| HUB SPLINE PITCH DIAMETER | 1.9000 INCHES NOMINAL SECOND END |
| HUB SPLINE QUANTITY | 38 SECOND END |
| HUB STYLE DESIGNATOR | EXTERNALLY SPLINED, INVOLUTE SPLINES SECOND END |
| III MATERIAL | STEEL OVERALL |
| PITCH ANGLE | 37.1660 DEGREES |
| PITCH DIAMETER | 5.5940 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 6.143 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 5.641 INCHES |
| NOMINAL OVERALL LENGTH | 6.396 INCHES |
| SPECIAL FEATURES | UGROOVE ON HUB CARBURIZE PER BPS 4-420 CASE DEPTH TO BE .032-0.040 RC60 IN ROOT FILLET RADIUS, CONTENT OF THE CSE PER BPS 440 CASE HARDNESS RA81-83 AND CORE HARDNESS RC33-41 AFTER POST -CARBURIZE HEAT TREAT;FLIGHT SAFETY CRITICAL |
| STYLE DESIGNATOR | SIDE FACE, BACK HUB PROTRUDING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BPS4-420, CLASS A ASSN STD SINGLE TREATMENT RESPONSE HUB |
| SURFACE TREATMENT | CARBON HUB |
| TEETH QUANTITY | 47 |
| TEETH TYPE | SPIRAL |
| TOOTH DIRECTION | RIGHT |