| MATERIAL | STEEL COMP 1045 AND |
| STEEL COMP 1050 AND |
| STEEL COMP 4130 AND |
| STEEL COMP 4145 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 AISI/SAE 1045 FED STD 1ST MATERIAL RESPONSE AND |
| 66 AISI/SAE 1050 FED STD 2ND MATERIAL RESPONSE AND |
| QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE AND |
| QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| TEETH QUANTITY | 54 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 14.5000 DEGREES |
| HELIX ANGLE | 8.9583 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 6.8330 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.188 INCHES |
| NOMINAL OUTSIDE DIAMETER | 7.0833 INCHES |
| FACE NOMINAL WIDTH | 1.125 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.032 INCHES BOTH ENDS |
| BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| SPLINE QUANTITY | 10 BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 0.450 INCHES FIRST END |
| 1.445 INCHES SECOND END |
| BODY STYLE | WEBBED, SOLID |
| SPECIAL FEATURES | SPLINE MINOR DIA. 1.025 IN. |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 19204 |
| DESIGN CONTROL REFERENCE | 8402617 |