| DRIVE TYPE | EXTERNALLY SLOTTEDEXTERNALLY SLOTTED |
| ACCOMMODATION TYPE AND QUANTITY | 4 SLOTS4 SLOTS |
| ANGLE BETWEEN ACCOMMODATIONS IN DEG | 90.090.0 |
| BORE DIAMETER | 2.865 INCHES MINIMUM AND 2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM2.885 INCHES MAXIMUM |
| BORE EDGE PROCESS | CHAMFEREDCHAMFERED |
| BORE SHAPE | STRAIGHTSTRAIGHT |
| CASEHARDENING INDICATOR | NOT CASE-HARDENEDNOT CASE-HARDENED |
| CHAMFER LENGTH | 0.060 INCHES NOMINAL0.060 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 30.030.0 |
| DEPTH | 0.084 INCHES MINIMUM AND 0.084 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM |
| OVERALL LENGTH | 0.558 INCHES MINIMUM AND 0.558 INCHES MINIMUM AND 0.578 INCHES MAXIMUM0.578 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-6736, COMPOSITION 4130, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSEMIL-T-6736, COMPOSITION 4130, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM33.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 4130STEEL COMP 4130 |
| PROCESS END LOCATION | BOTH ENDSBOTH ENDS |
| SCREW THREAD SERIES DESIGNATOR | UNUN |
| THREAD SIZE | 3.250-163.250-16 |
| WIDTH | 0.250 INCHES MINIMUM AND 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MP-22 93835 MFR REF SINGLE TREATMENT RESPONSEMP-22 93835 MFR REF SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PHOSPHATEPHOSPHATE |
| THREAD CLASS | 3A3A |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD LOCATION | END OPPOSITE DRIVE ENDEND OPPOSITE DRIVE END |