| ASA STANDARD CHAIN NUMBER | 25 |
| BORE DIAMETER | 0.499 INCHES NOMINAL |
| BORE LENGTH | 0.397 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.145 INCHES NOMINAL BOTH ENDS |
| FACE WIDTH | 0.107 INCHES NOMINAL |
| FSC APPLICATION DATA | MISCELLANEOUS AFT ACCESSORIES AND COMPONENTS |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| HUB OUTSIDE DIAMETER | 0.710 INCHES NOMINAL BOTH ENDS |
| OUTSIDE DIAMETER | 1.161 INCHES NOMINAL |
| OVERALL LENGTH | 0.397 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 410 |
| METALLIC HARDNESS RATING AND LOCATION | HARDNESS OF HUBC SCALE P20.0/P40.0 |
| PITCH DIAMETER | 1.045 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | PASSIVATE |
| TEETH ROW QUANTITY | 1 |
| TEETH HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| TEETH QUANTITY PER ROW | 13 |
| TOOTH PITCH | 0.250 INCHES NOMINAL |