| MATERIAL | ALUMINUM OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| WRENCHING END OUTSIDE DIAMETER | 1.04 INCHES NOMINAL |
| WRENCHING SURFACE SIZE | 17.60 MILLIMETERS MINIMUM AND |
| 18.21 MILLIMETERS MAXIMUM SINGLE END |
| WRENCHING SURFACE SHAPE | HEXAGON SINGLE END INTERNAL |
| DRIVE SURFACE SIZE | 0.25 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | JAM NUT SOCKET |