| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 HUB |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.9688 INCHES |
| NOMINAL OVERALL LENGTH | 0.375 INCHES |
| PITCH DIAMETER | 0.9375 INCHES NOMINAL |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | TWO THREADED MTG HOLES LOCATED HUB BETWEEN HUB END AND GEAR FACE 90 DEG APART; UNC THREAD SERIES; MTG HOLE NOM THD SIZE 0.112 IN.; 40 THDS PER IN. |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB |
| SURFACE TREATMENT | ANODIZE BODY |
| SURFACE TREATMENT | PASSIVATE HUB |
| TEETH QUANTITY | 60 |
| TOOTH FORM | STANDARD |