| ATTACHMENT METHOD | MOUNTING HOLE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 1.968 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.250 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.281 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 1.375 INCHES BOTH ENDS |
| END NOMINAL DIAMETER | 1.531 INCHES FIRST END |
| END NOMINAL LENGTH | 0.156 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.187 INCHES |
| FIRST STEP NOMINAL DIAMETER | 2.248 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.061 INCHES FIRST END |
| HARDNESS RATING | 16.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM HUB |
| HARDNESS RATING | 16.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM TEETH |
| HUB NOMINAL DIAMETER | 1.625 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN SECOND END |
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI/SAE 8637H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8637H OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.343 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 2.849 INCHES |
| NOMINAL OVERALL LENGTH | 0.781 INCHES |
| PITCH DIAMETER | 2.8000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SECOND STEP NOMINAL DIAMETER | 2.625 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.125 INCHES FIRST END |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| TEETH QUANTITY | 112 |
| TOOTH FORM | STANDARD |