| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.500 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | TAPERED W/KEYWAY FIRST END |
| FACE NOMINAL WIDTH | 0.875 INCHES |
| HARDNESS RATING | 285.0 BRINELL STANDARD MINIMUM AND 325.0 BRINELL STANDARD MAXIMUM OVERALL |
| HELIX ANGLE | 28.1536 DEGREES |
| HUB NOMINAL DIAMETER | 1.736 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.251 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,ALLOY NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 4 PLAIN AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.730 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.844 INCHES |
| PITCH DIAMETER | 3.6990 INCHES NOMINAL |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |
| TAPER MAJOR NOMINAL DIAMETER | 1.173 INCHES FIRST END |
| TEETH QUANTITY | 45 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |