| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.256 INCHES MINIMUM AND 3.276 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 3.428 INCHES MINIMUM AND 3.448 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM |
| HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| SURFACE FINISH | 100.0 MICROINCHES THREADS |
| SURFACE FINISH | 67.0 MICROINCHES GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-6871,TY 2,CL A MIL SPEC SINGLE TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT | CHROMIUM GRIP |
| SURFACE TREATMENT | CADMIUM HEAD |
| SURFACE TREATMENT | CADMIUM THREADS |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.366 INCHES MINIMUM AND 0.386 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 28 |