| EXTENDED WASHER THICKNESS | 0.069 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.433 INCHES NOMINAL |
| FASTENER LENGTH | 1.375 INCHES NOMINAL |
| GRIP DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| GRIP LENGTH | 0.875 INCHES NOMINAL |
| HEAD HEIGHT | 0.234 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS |
| HOLE DIAMETER | 0.034 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-TENSION, 12 POINT, EXTERNAL WRENCHING |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 22000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |