| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.634 INCHES MINIMUM AND 0.664 INCHES MAXIMUM ALL HOLES |
| FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.739 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| GRIP LENGTH | 0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| HEAD HEIGHT | 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| HEAD STYLE | CROWNED HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| HOLE QUANTITY | 3 |
| HOLE TYPE | DRILLED |
| LOCKING FEATURE | DETENT BALL THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP XM-13 FASTENER |
| MATERIAL | STEEL COMP 631 LOCKING FEATURE |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 7700 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM ALL HOLES |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.489 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |