| DRIVE SURFACE SIZE | 0.250 INCHES NOMINAL SINGLE END |
| DRIVE END OUTSIDE DIAMETER | 0.471 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| FEATURES PROVIDED | MANUAL TOOL |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 3 CLASS |
| OVERALL LENGTH | 1.000 INCHES MAXIMUM |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| WRENCHING END OPENING DEPTH | 0.109 INCHES MINIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.471 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | SQUARE SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.219 INCHES NOMINAL SINGLE END |