| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | 
| FACE NOMINAL WIDTH | 0.125 INCHES | 
| HUB NOMINAL DIAMETER | 0.343 INCHES SECOND END | 
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE  AND AISI 304/SAE30304 ASSN STD SINGLE MATERIAL RESPONSE HUB | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY | 
| MATERIAL | ALUMINUM ALLOY 6061 BODY | 
| MATERIAL | STEEL COMP 304 HUB | 
| PITCH DIAMETER | 1.5000 INCHES NOMINAL | 
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.093 INCHES SECOND END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 1.530 INCHES | 
| NOMINAL OVERALL LENGTH | 0.468 INCHES | 
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUBS | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY | 
| SURFACE TREATMENT | PASSIVATE HUB | 
| SURFACE TREATMENT | ANODIZE BODY | 
| TEETH QUANTITY | 96 | 
| TOOTH FORM | STANDARD |