| MATERIAL | STEEL COMP 4130 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR |
| ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM OVERALL |
| CONSTRUCTION | SOLID |
| DESIGN TYPE | SPUR ALL GEARS |
| NOMINAL OUTSIDE DIAMETER | 4.182 INCHES FIRST GEAR |
| 2.652 INCHES SECOND GEAR |
| NOMINAL OVERALL LENGTH | 0.700 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 ALL GEARS |
| BORE STYLE | W/COUNTERBORE SECOND END |
| BORE NOMINAL DIAMETER | 1.125 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.060 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 1.870 INCHES SECOND END |
| HUB STYLE DESIGNATOR | 1 STEP BETWEEN FIRST AND SECOND GEAR |
| HUB NOMINAL LENGTH | 0.070 INCHES BETWEEN FIRST AND SECOND GEAR |
| HUB NOMINAL DIAMETER | 2.150 INCHES BETWEEN FIRST AND SECOND GEAR |
| SPECIAL FEATURES | 1ST GEAR DATA: 40 TEETH; DIAMETRAL PITCH 10; PITCH DIA. 4.0000; PRESSURE ANGLE 20.0000; 2ND GEAR DATA: 30 TEETH; DIAMETRAL PITCH 12; PITCH DIA. 2.5000; PRESSURE ANGLE 20.0000; 6 LIGHTENING HOLES 0.750 DIA. |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 05606 |
| DESIGN CONTROL REFERENCE | 10029041 |