| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.921 INCHES MINIMUM AND 2.921 INCHES MINIMUM AND 2.953 INCHES MAXIMUM FIRST HOLE2.953 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 3.172 INCHES MINIMUM AND 3.172 INCHES MINIMUM AND 3.219 INCHES MAXIMUM3.219 INCHES MAXIMUM |
| GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM0.6240 INCHES MAXIMUM |
| GRIP LENGTH | 2.625 INCHES NOMINAL2.625 INCHES NOMINAL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL |
| HEAD STYLE | HEXAGONHEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 6TH MATERIAL RESPONSE OVERALLMIL-S-8695 MIL SPEC 6TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 8740 OR STEEL COMP 4037 OVERALLSTEEL COMP 4037 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES0.625 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE0.141 INCHES NOMINAL FIRST HOLE |
| SINGLE SHEAR STRENGTH | 29150 POUNDS PER SQUARE INCH (PSI)29150 POUNDS PER SQUARE INCH (PSI) |
| WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL0.938 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALLCADMIUM OVERALL |
| THREAD CLASS | 3A3A |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD LENGTH | 0.563 INCHES NOMINAL0.563 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 1818 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |