| BORE NOMINAL DIAMETER | 0.622 INCHES BOTH ENDS |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| CONSTRUCTION | SOLID |
| DESIGN TYPE | SPUR ALL GEARS |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL LENGTH | 0.180 INCHES FIRST END |
| HUB NOMINAL LENGTH | 0.190 INCHES BETWEEN FIRST AND SECOND GEAR |
| HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 1.000 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 1.600 INCHES BETWEEN FIRST AND SECOND GEAR |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| NOMINAL OUTSIDE DIAMETER | 4.897 INCHES FIRST GEAR |
| NOMINAL OUTSIDE DIAMETER | 2.189 INCHES SECOND GEAR |
| NOMINAL OVERALL LENGTH | 0.950 INCHES |
| SPECIAL FEATURES | 1ST GEAR DATA: 40 TEETH; PRESSURE ANGLE 20.0000; PITCH DIA. 4.6875; DIAMETRAL PITCH 8.5333; 2ND GEAR DATA: 20 TEETH; PRESSURE ANGLE 20.0000; PITCH DIA. 2.0000; DIAMETRAL PITCH 10; INVOLULTE SPLINE DATA: PRESSURE ANGLE 30.0000; PITCH 32/64; 6 LIGHTENING HOLES 1.000 DIA. |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 ALL GEARS |
| SPLINE PITCH DIAMETER | 0.7188 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 23 BOTH ENDS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |