| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY RECESS NOMINAL DEPTH | 0.0625 INCHES FIRST END | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DEPTH | 0.500 INCHES BOTH ENDS | 
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| FACE NOMINAL WIDTH | 0.159 INCHES | 
| HUB NOMINAL DIAMETER | 0.562 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | PINNED FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI B1113,1213/SAE 1113 FED STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 1213 OVERALL | 
| PITCH ANGLE | 40.0000 DEGREES | 
| PITCH DIAMETER | 0.7500 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.190 INCHES TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.375 INCHES SECOND END | 
| NOMINAL OUTSIDE DIAMETER | 0.7968 INCHES | 
| NOMINAL OVERALL LENGTH | 0.562 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| SPECIAL FEATURES | 0.187 IN. FROM FIRST END OF HUB TO C OF TAPPED HOLE | 
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CHROMIUM OVERALL | 
| TEETH QUANTITY | 18 | 
| TEETH TYPE | SPIRAL | 
| TOOTH DIRECTION | RIGHT |