| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| INTERNAL DRIVE STYLE | FOUR SPLINE |
| LOCKING FEATURE | PATCH THREADS |
| MATERIAL | STEEL COMP 4032 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL |
| POINT STYLE | CONE |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNC |
| SPECIFICATION/STANDARD DATA | 08935-525-0001/0004 MANUFACTURERS SPECIFICATION CONTROL |
| SPLINE MAJOR DIAMETER | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM |
| SPLINE WIDTH | 0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.438 INCHES NOMINAL |