| END SIMILARITY | NOT IDENTICAL |
| FSC APPLICATION DATA | LAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289 |
| KEYWAY WIDTH | 0.188 INCHES NOMINAL SECOND SHAFT |
| MATERIAL | STEEL |
| OVERALL LENGTH | 8.875 INCHES NOMINAL |
| SCREW THREAD SERIES DESIGNATOR | UNF THREADS |
| SCREW THREAD SERIES DESIGNATOR | UNS SECOND SHAFT |
| SHAFT HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| SHAFT THREAD DIRECTION | RIGHT-HAND SECOND SHAFT |
| SHAFT THREAD DIRECTION | RIGHT-HAND THREADS |
| SPECIAL FEATURES | NO. 63 FINISH ON OD OF SECOND STEP,ON BOTH ENDS,ON SPLINE AND WORM TEETH SURFACES |
| SPLINE MINOR DIAMETER | 1.021 INCHES MINIMUM SECOND END, THIRD PORTION |
| SPLINE MINOR DIAMETER | 1.022 INCHES MAXIMUM SECOND END, THIRD PORTION |
| SPLINE MAJOR DIAMETER | 1.116 INCHES MINIMUM D ENTRANCE |
| SPLINE MAJOR DIAMETER | 1.117 INCHES MAXIMUM E ENTRANCE |
| STRAIGHT SPLINE LENGTH | 1.245 INCHES NOMINAL D ENTRANCE |
| STRAIGHT SPLINE QUANTITY | 10 EITHER END |
| STRAIGHT UNTHREADED LENGTH | 0.557 INCHES NOMINAL ALL THREADED PORTIONS |
| STRAIGHT UNTHREADED LENGTH | 0.625 INCHES NOMINAL TERMINAL BOX |
| STRAIGHT UNTHREADED LENGTH | 0.719 INCHES NOMINAL FIRST MORTISE |
| STRAIGHT UNTHREADED LENGTH | 0.719 INCHES NOMINAL RECEPTACLE PLATE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.1810 INCHES MINIMUM ALL THREADED PORTIONS |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.1810 INCHES MINIMUM TERMINAL BOX |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.1814 INCHES MAXIMUM AXIALLY AT EACH END |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.1814 INCHES MAXIMUM FIRST STEP |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.438 INCHES NOMINAL FIRST MORTISE |
| SURFACE TREATMENT | PHOSPHATE |
| TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| THREAD LENGTH | 0.948 INCHES NOMINAL THREADS |
| THREAD LENGTH | 0.495 INCHES MINIMUM SECOND SHAFT |
| THREAD LENGTH | 0.505 INCHES MAXIMUM SINGLE SHAFT |
| THREADED SECTION PIN HOLE DIAMETER | 0.140 INCHES NOMINAL THREADS |
| UNTHREADED SECTION KEYWAY DEPTH | 0.094 INCHES NOMINAL TERMINAL BOX |
| UNTHREADED SECTION KEYWAY WIDTH | 0.1880 INCHES NOMINAL TERMINAL BOX |
| WORM BODY LENGTH | 3.563 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| WORM HELIX ANGLE | 4 DEG 33 MIN. |
| WORM OUTSIDE DIAMETER | 2.8975 INCHES NOMINAL |
| WORM PITCH DIAMETER | 2.500 INCHES NOMINAL |
| WORM THREAD DIRECTION | LEFT-HAND |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.625 INCHES NOMINAL |
| WORM THREAD QUANTITY | 1 |
| WORM THREAD SECTION LENGTH | 3.188 INCHES NOMINAL |