| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.047 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.050 INCHES |
| HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | GEAR,SPUR |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613.QQ-B-613ALLOY 342 1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 342 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.073 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 72 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD TOLERANCE CLASS | 2B INTERNAL TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.115 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.500 INCHES |
| PITCH DIAMETER | 0.4900 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SPECIAL FEATURES | T.O. 5L6-3-65-4 FIG 2-3 IND 31 |
| TEETH QUANTITY | 98 |
| TOOTH FORM | STUB |