| DRIVE SURFACE SIZE | 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM SINGLE END |
| DRIVE END OUTSIDE DIAMETER | 1.937 INCHES NOMINAL |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| FEATURES PROVIDED | MANUAL TOOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OVERALL LENGTH | 3.750 INCHES NOMINAL |
| SPECIAL MARKINGS | 1-1/2 IN. |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| WRENCHING END OPENING DEPTH | 1.000 INCHES NOMINAL |
| WRENCHING END OUTSIDE DIAMETER | 1.937 INCHES NOMINAL |
| WRENCHING SURFACE SHAPE | 6 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 1.510 INCHES MINIMUM AND 1.515 INCHES MAXIMUM SINGLE END |