| END SIMILARITY | NOT IDENTICAL |
| FSC APPLICATION DATA | STEAM TURBINE |
| MATERIAL DOCUMENT AND CLASSIFICATION | B50A-400-J, GENERAL ELECTRIC CO MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| OVERALL LENGTH | 18.500 INCHES NOMINAL |
| SHAFT HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| STRAIGHT UNTHREADED LENGTH | 0.056 INCHES MINIMUM TERMINAL BOX |
| STRAIGHT UNTHREADED LENGTH | 0.060 INCHES MAXIMUM AXIALLY AT EACH END |
| STRAIGHT UNTHREADED LENGTH | 0.068 INCHES MINIMUM D ENTRANCE |
| STRAIGHT UNTHREADED LENGTH | 0.072 INCHES MAXIMUM E ENTRANCE |
| STRAIGHT UNTHREADED LENGTH | 0.250 INCHES NOMINAL RECEPTACLE PLATE |
| STRAIGHT UNTHREADED LENGTH | 0.240 INCHES NOMINAL THREADS |
| STRAIGHT UNTHREADED LENGTH | 0.828 INCHES NOMINAL FIRST MORTISE |
| STRAIGHT UNTHREADED LENGTH | 0.924 INCHES MINIMUM SECOND SHAFT |
| STRAIGHT UNTHREADED LENGTH | 0.928 INCHES MAXIMUM SINGLE SHAFT |
| STRAIGHT UNTHREADED LENGTH | 1.438 INCHES MAXIMUM FIRST STEP |
| STRAIGHT UNTHREADED LENGTH | 1.437 INCHES MINIMUM ALL THREADED PORTIONS |
| STRAIGHT UNTHREADED LENGTH | 6.250 INCHES NOMINAL CONCENTRIC HOLE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.306 INCHES MINIMUM TERMINAL BOX |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.314 INCHES MAXIMUM AXIALLY AT EACH END |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.485 INCHES MINIMUM D ENTRANCE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.3781 INCHES MINIMUM FIRST MORTISE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.3785 INCHES MAXIMUM SECOND MORTISE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.495 INCHES MAXIMUM E ENTRANCE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.4995 INCHES MINIMUM CONCENTRIC HOLE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.5000 INCHES MAXIMUM COUNTERBORE |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.5753 INCHES MAXIMUM FIRST STEP |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.5749 INCHES MINIMUM ALL THREADED PORTIONS |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.5749 INCHES MINIMUM THREADS |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.5753 INCHES MAXIMUM BOSS |
| STRAIGHT UNTHREADED SECTION DIAMETER | 2.000 INCHES NOMINAL RECEPTACLE PLATE |
| TEETH HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| UNTHREADED SECTION KEYWAY DEPTH | 0.1875 INCHES NOMINAL CONCENTRIC HOLE |
| UNTHREADED SECTION KEYWAY WIDTH | 0.3700 INCHES MINIMUM CONCENTRIC HOLE |
| UNTHREADED SECTION KEYWAY WIDTH | 0.3720 INCHES MAXIMUM COUNTERBORE |
| WORM BODY LENGTH | 9.062 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| WORM HELIX ANGLE | 15 DEG 54 MIN 37.46 SEC |
| WORM OUTSIDE DIAMETER | 2.312 INCHES MINIMUM AND 2.314 INCHES MAXIMUM |
| WORM PITCH DIAMETER | 2.010 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM PRESSURE ANGLE IN DEG | 25.000 |
| WORM THREAD QUANTITY | 3 |
| WORM THREAD LEAD | 1.800 INCHES NOMINAL |
| WORM THREAD SECTION LENGTH | 6.500 INCHES NOMINAL |