| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.222 INCHES NOMINAL |
| HEAD HEIGHT | 0.010 INCHES MAXIMUM |
| HEAD DIAMETER | 0.507 INCHES MAXIMUM |
| HEAD STYLE | FILLISTER COUNTERSUNK |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEG FLUSH HEAD SIX-LOBE RECESS, LONG THREAD |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 5790 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| SPLINE MAJOR DIAMETER | 0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.472 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |