| DRIVE TYPE | EXTERNALLY SLOTTED |
| ACCOMMODATION TYPE AND QUANTITY | 6 SLOTS |
| ANGLE BETWEEN ACCOMMODATIONS IN DEG | 60.0 |
| BORE DIAMETER | 2.470 INCHES MINIMUM AND 2.490 INCHES MAXIMUM |
| BORE SHAPE | STRAIGHT |
| CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| DEPTH | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| OVERALL LENGTH | 1.276 INCHES MINIMUM AND 1.284 INCHES MAXIMUM |
| MATERIAL HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 8740 |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) |
| SPECIAL FEATURES | ID HAS CBORE 2.650 IN. DIA X 0.550 IN. DP; END OPPOSITE DRIVE END HAS 2.820-2.830 IN. OD,HAS 8 EQ SP HOLES THRU OD WALL 0.375 IN. DIA; 21 GROOVES ON DRIVE EDGE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SIZE | 3.000-16 |
| WIDTH | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |