| COLOR | BLUE LOCKING FEATURE |
| FASTENER LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM FASTENER |
| INTERNAL DRIVE STYLE | FOUR SPLINE |
| LOCKING FEATURE | STRIP THREADS |
| MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE LOCKING FEATURE |
| MATERIAL | STEEL FASTENER |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| POINT STYLE | CUP |
| SPLINE MAJOR DIAMETER | 0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.038 INCHES NOMINAL |
| SPLINE WIDTH | 0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |