| FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
| HEAD STYLE | SQUARE |
| HOLE CONFIGURATION STYLE | SQUARE LONGITUDINAL HOLE |
| HOLE DIAMETER | 0.094 INCHES NOMINAL |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| POINT STYLE | CUP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 16 |
| WIDTH BETWEEN FLATS | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |