| DRILLED HOLE DIAMETER | 0.073 INCHES NOMINAL |
| BORE DIAMETER | 0.4731 INCHES NOMINAL |
| BORE LENGTH | 0.656 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.259 INCHES NOMINAL AND 0.287 INCHES NOMINAL BOTH ENDS |
| FURNISHED ITEMS | LIGHTENING HOLE |
| FACE WIDTH | 0.110 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HOLE LOCATION | LOCATED 0.109 IN. FROM FACE TO CENTER OF HOLE THROUGH ONE SIDE ONLY |
| HUB OUTSIDE DIAMETER | 0.687 INCHES NOMINAL AND 0.750 INCHES NOMINAL BOTH ENDS |
| OVERALL LENGTH | 0.656 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626, COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM HUB AND 35.0 ROCKWELL C MAXIMUM HUB |
| OUTSIDE DIAMETER | 2.049 INCHES NOMINAL |
| PITCH DIAMETER | 1.915 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SECURING HOLE QUANTITY | 1 |
| SECURING LOCATION | AA END |
| SECURING METHOD | DRILLED HOLE |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | CADMIUM |
| TEETH HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| TEETH QUANTITY PER ROW | 24 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 0.250 INCHES NOMINAL |