| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 66 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 2.7500 INCHES NOMINAL |
| FACE NOMINAL WIDTH | 0.187 INCHES |
| BORE NOMINAL DIAMETER | 0.313 INCHES BOTH ENDS |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB, FIRST END |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 10001 |
| DESIGN CONTROL REFERENCE | 1676720 |