| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.940 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 1.066 INCHES NOMINAL |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 0.720 INCHES NOMINAL |
| HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.052 INCHES NOMINAL |
| HOLE QUANTITY | 3 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | PIN LOCATED IN SHANK 0.050 IN. MIN.,0.055 IN. MAX FROM BEARING SURFACE OF HEAD |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
| SURFACE FINISH | 4.0 MICROINCHES GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CL 2 FED SPEC 1ST TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CL 2 FED SPEC 1ST TREATMENT RESPONSE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-F-320 CL 2 FED SPEC 1ST TREATMENT RESPONSE THREADS |
| SURFACE TREATMENT | CHROMIUM HEAD |
| SURFACE TREATMENT | CHROMIUM GRIP |
| SURFACE TREATMENT | CHROMIUM THREADS |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.346 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |