| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.972 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 5.284 INCHES NOMINAL |
| HEAD HEIGHT | 0.625 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| INTERNAL THREAD CLASS | 3B CONCENTRIC HOLE |
| INTERNAL THREAD DIRECTION | RIGHT-HAND CONCENTRIC HOLE |
| INTERNAL THREAD LENGTH | 0.359 INCHES MINIMUM AND 0.390 INCHES MAXIMUM CONCENTRIC HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E4340 OVERALL |
| NOMINAL THREAD DIAMETER | 1.375 INCHES |
| NOMINAL THREAD SIZE | 1.000 INCHES CONCENTRIC HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | DRILLED HOLE THRU SHANK BOTTOM 2.592 MIN. TO 2.602 MAX LG.,0.890 MIN. TO 0.895 MAX. DIA. |
| WIDTH BETWEEN FLATS | 1.977 INCHES MINIMUM AND 2.002 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.515 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD SERIES | UNF CONCENTRIC HOLE |
| THREADS PER INCH | 20 CONCENTRIC HOLE |