| FASTENER LENGTH | 0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | FOUR SPLINE |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 3 STYLE |
| POINT STYLE | FLAT |
| SPLINE MAJOR DIAMETER | 0.034 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.025 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| SPLINE WIDTH | 0.011 INCHES MINIMUM AND 0.012 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |