| ACCOMMODATION TYPE AND QUANTITY | 4 SLOTS |
| ANGLE BETWEEN ACCOMMODATIONS IN DEG | 30.0 |
| BEVELED THREAD | NOT INCLUDED |
| BORE ANNULAR INTERNAL SERRATION | NOT INCLUDED |
| BORE DIAMETER | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
| BORE SHAPE | STRAIGHT |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| DEPTH | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| DRIVE TYPE | SLOTTED BORE |
| MATERIAL HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 4130 |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL FINE (UNJ) |
| SETSCREW LOCKING NOTCH | NOT INCLUDED |
| SURFACE TREATMENT | OXIDE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SIZE | 2.500-16 |
| WIDTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |