| MATERIAL | STEEL COMP 4340 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415, COMP 9340 ASSN STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | OXIDE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 FINISH 5.4.1 MIL SPEC 1ST TREATMENT RESPONSE AND |
| MIL-C-13924 CLASS 4 MIL SPEC 2ND TREATMENT RESPONSE |
| OVERALL LENGTH | 0.430 INCHES MINIMUM AND |
| 0.450 INCHES MAXIMUM |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| DRIVE TYPE | SLOTTED INNER FACE |
| ACCOMMODATION TYPE AND QUANTITY | 4 SLOTS |
| WIDTH | 0.500 INCHES NOMINAL |
| DEPTH | 0.160 INCHES MINIMUM AND |
| 0.180 INCHES MAXIMUM |
| ANGLE BETWEEN ACCOMMODATIONS IN DEG | 90.0 |
| THREAD SIZE | 9.3875-12 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| BEVELED THREAD | NOT INCLUDED |
| BORE SHAPE | STRAIGHT |
| BORE DIAMETER | 8.670 INCHES MINIMUM AND |
| 8.690 INCHES MAXIMUM |
| BORE ANNULAR INTERNAL SERRATION | NOT INCLUDED |
| BORE EDGE PROCESS | CHAMFERED |
| PROCESS END LOCATION | END OPPOSITE DRIVE END |
| CHAMFER ANGLE IN DEG | 50.0 |
| CHAMFER LENGTH | 0.040 INCHES NOMINAL |
| SETSCREW LOCKING NOTCH | NOT INCLUDED |
| SPECIAL FEATURES | MAX SURFACE FINISH,ALL SURFACES 125 MICROINCHES AA |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 77272 |
| DESIGN CONTROL REFERENCE | 114D2072-2 |