| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BODY RECESS NOMINAL DEPTH | 0.070 INCHES FIRST END |
| BORE NOMINAL DIAMETER | 0.687 INCHES BOTH ENDS |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.050 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 0.737 INCHES SECOND END |
| FACE NOMINAL WIDTH | 0.310 INCHES |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 0.930 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN SECOND END |
| 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 DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.197 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 3.686 INCHES |
| NOMINAL OVERALL LENGTH | 0.507 INCHES |
| SPECIAL FEATURES | 5 LIGHTENING HOLES 0.750 IN. |
| PITCH DIAMETER | 3.6000 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| TEETH QUANTITY | 72 |
| TOOTH FORM | STANDARD |