| DRIVE TYPE | SLOTTED FACE |
| ACCOMMODATION TYPE AND QUANTITY | 12 SLOTS |
| ANGLE BETWEEN ACCOMMODATIONS IN DEG | 30.0 |
| BEVELED THREAD | NOT INCLUDED |
| BORE ANNULAR INTERNAL SERRATION | NOT INCLUDED |
| BORE DIAMETER | 3.950 INCHES MINIMUM AND 3.970 INCHES MAXIMUM |
| BORE SHAPE | STRAIGHT |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| DEPTH | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| OVERALL LENGTH | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| MATERIAL HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 8740 |
| SCREW THREAD SERIES DESIGNATOR | NONSTANDARD |
| SETSCREW LOCKING NOTCH | NOT INCLUDED |
| WIDTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 990104,TYPE 1 FSCM 06481 MFR REF SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | TIN |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH DIAMETERS | +4.2670 TO 4.2720 INCHES |
| THREAD SIZE | 4.313-16 |