| ATTACHMENT METHOD | MOUNTING HOLE AND SETSCREWS |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.4995 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.438 INCHES |
| HARDNESS RATING | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM TEETH |
| HELIX ANGLE | 20.364108 DEGREES |
| HUB NOMINAL DIAMETER | 0.688 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8690, AISI 8620 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6260, SAE 9310 MIL STD SINGLE MATERIAL RESPONSE OR ASTM A304, GR 9310H NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS 6265 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620 OR STEEL COMP E9310 OR STEEL COMP 9310H OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.093 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.319 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.928 INCHES |
| PITCH DIAMETER | 0.8666 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | HUB CUT BACK 0.069 IN. LEAVING 2 TABS. USED ON GFCS MK86 |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924, CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 26 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| TOOTH FORM | STANDARD |