| DRIVE SURFACE SIZE | 0.500 INCHES NOMINAL SINGLE END |
| DRIVE END OUTSIDE DIAMETER | 0.940 INCHES MAXIMUM |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| FEATURES PROVIDED | MANUAL TOOL AND NONSPARKING AND NONMAGNETIC |
| MATERIAL | COPPER ALLOY OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 CLASS AND A STYLE |
| OVERALL LENGTH | 0.350 INCHES MINIMUM AND 1.780 INCHES MAXIMUM |
| SPECIAL MARKINGS | 1/2 IN. |
| SPECIFICATION/STANDARD DATA | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| WRENCHING END OPENING DEPTH | 0.350 INCHES MINIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.740 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.500 INCHES NOMINAL SINGLE END |