| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | INTERNAL-INTERNAL |
| OVERALL LENGTH | 1.999 INCHES NOMINAL |
| WRENCHING END OUTSIDE DIAMETER | 0.536 INCHES NOMINAL |
| DRIVE END OUTSIDE DIAMETER | 0.508 INCHES NOMINAL |
| WRENCHING END OPENING DEPTH | 1.555 INCHES NOMINAL |
| WRENCHING SURFACE SIZE | 0.437 INCHES NOMINAL FIRST END |
| WRENCHING SURFACE SHAPE | SPLINE SINGLE END INTERNAL |
| WRENCHING SURFACE FLUTE QUANTITY | 4 |
| DRIVE SURFACE SIZE | 0.250 INCHES NOMINAL SECOND END |
| DRIVE END SHAPE | SQUARE SECOND END INTERNAL |
| SPECIAL FEATURES | ACFT MODEL HH65A TOOL AND EQUIPMENT MANUAL REFERENCE,USED FOR REMOVAL OF SPANNER NUT FROM ELECTRICAL SWITCHES TO PANELS;SPLINE TEETH 0.058 IN.DIA.;0.060 IN.LG.;0.375 IN.INSIDE DIA.SOCKET SIZE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 58280 |
| DESIGN CONTROL REFERENCE | HHM10076 |