| DRIVE END SHAPE | SQUARE SECOND END INTERNAL |
| DRIVE SURFACE SIZE | 0.503 INCHES MINIMUM AND 0.511 INCHES MAXIMUM FIRST END |
| HEAD THICKNESS | 0.460 INCHES NOMINAL |
| OVERALL LENGTH | 21.460 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES AND MIL-S-13048 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4140 AND STEEL COMP 6150 AND STEEL COMP 8640 AND STEEL COMP 8740 OVERALL |
| PURCHASE DESCRIPTION IDENTIFICATION | 19207-8761562 |
| WRENCHING SURFACE SHAPE | 12 POINT FIRST END INTERNAL |
| WRENCHING SURFACE SIZE | 0.750 INCHES NOMINAL FIRST END |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE Z,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |