| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.197 INCHES MINIMUM AND 3.271 INCHES MAXIMUM GRIP |
| FASTENER LENGTH | 3.406 INCHES MINIMUM AND 3.500 INCHES MAXIMUM |
| HARDNESS RATING | 235.0 BRINELL B MAXIMUM OVERALL |
| HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 410 OR STEEL COMP 416 OR STEEL COMP 430 OVERALL |
| MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 10P STYLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES NOMINAL GRIP |
| WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.740 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 10 |