| BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| HEAD HEIGHT | 0.045 INCHES NOMINAL |
| HEAD DIAMETER | 0.213 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | TORX |
| NOMINAL THREAD DIAMETER | 0.1120 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, TENSION, 100 DEG FLUSH HEAD, FULL THREAD, NAS1800 SIX LOBE RECESS, SELF-LOCKINGAND NON LOCKING. |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731, AMS5732, AMS5737, AMS5853 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW SURFACE TREATMENT | CADMIUM |
| SPECIAL FEATURES | CETYL ALCOHOL LUBRICANT PER AS87132, TYPE III, GRADE B. MIN TENSILE STENGTH 966LBF. |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNJC |
| THREAD SURFACE FINISH | 32.0 MICROINCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS5312 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SPLINE MAJOR DIAMETER | 0.111 INCHES NOMINAL |
| SPLINE MINOR DIAMETER | 0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.455 INCHES NOMINAL |