| BORE NOMINAL DIAMETER | 0.449 INCHES BOTH ENDS |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| END NOMINAL DIAMETER | 0.624 INCHES BOTH ENDS |
| END NOMINAL LENGTH | 0.344 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 1.000 INCHES |
| FACE TYPE | STRAIGHT |
| FIRST STEP NOMINAL DIAMETER | 0.810 INCHES BOTH ENDS |
| FIRST STEP NOMINAL LENGTH | 0.050 INCHES BOTH ENDS |
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 11.9425 DEGREES |
| HUB STYLE DESIGNATOR | 2 STEPS BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AAMS 6470 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.613 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 1.268 INCHES |
| PITCH DIAMETER | 1.1600 INCHES NOMINAL |
| PRESSURE ANGLE | 25.0000 DEGREES |
| SECOND STEP NOMINAL DIAMETER | 0.640 INCHES BOTH ENDS |
| SECOND STEP NOMINAL LENGTH | 0.219 INCHES BOTH ENDS |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| SPLINE PITCH DIAMETER | 0.3958 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 19 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16173,GRADE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | LUBRICANT OVERALL |
| THREAD FORM DIRECTION | RIGHT-HAND |
| THREAD FORM QUANTITY | 4 |