| FASTENER LENGTH | 4.156 INCHES MINIMUM AND 4.250 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.0605 INCHES MINIMUM AND 0.0685 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| LOCKING FEATURE | PATCH THREADS |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |
| 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 | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM |