| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| BORE STYLE | PLAIN FIRST END |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 1.2500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 416 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES AXIALLY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 56 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL OUTSIDE DIAMETER | 1.271 INCHES |
| NOMINAL OVERALL LENGTH | 0.375 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 120 |
| TOOTH FORM | STANDARD |