| DRIVE END OUTSIDE DIAMETER | 0.968 INCHES MAXIMUM |
| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY WRENCH END OPENING DEPTH |
| FEATURES PROVIDED | MANUAL TOOL |
| OVERALL LENGTH | 0.980 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 CLASS AND A STYLE |
| WRENCHING END OPENING DEPTH | 0.406 INCHES NOMINAL |
| WRENCHING END OUTSIDE DIAMETER | 0.968 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | 6 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.688 INCHES NOMINAL SINGLE END |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| SURFACE TREATMENT | CHROMIUM OVERALL |