| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.090 INCHES MINIMUM FIRST HOLE AND 2.122 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 2.231 INCHES MINIMUM AND 2.262 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 1.938 INCHES NOMINAL |
| HEAD HEIGHT | 0.164 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6387 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR STSBS000 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP H11 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 132000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL AND STSBS000 MFR REF ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL AND CHROMATE OVERALL AND CADMIUM OVERALL |
| THREAD LENGTH | 0.210 INCHES MINIMUM AND 0.293 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |