| DRIVE SURFACE SIZE | 0.926 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | HEXAGON SINGLE END EXTERNAL |
| OUTSIDE DIAMETER | 0.921 INCHES MINIMUM AND 0.931 INCHES MAXIMUM |
| OVERALL LENGTH | 1.060 INCHES MINIMUM AND 1.124 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 3 CLASS AND A FORM |
| WRENCHING SURFACE SHAPE | HEXAGON SINGLE END EXTERNAL |
| WRENCHING SURFACE SIZE | 0.560 INCHES MINIMUM AND 0.563 INCHES MAXIMUM SINGLE END |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | CHROMIUM AND NICKEL AND OXIDE OVERALL |