| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.16 INCHES MINIMUM AND 1.19 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| GRIP LENGTH | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| HEAD DIAMETER | 0.3390 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731,AMS5732,AMS5737,OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,SHEAR,100 DEG FLUSH HEAD,CLOSE TOLERANCE,NAS1800 SIX LOBE RECESS, 95 KSI FSU |
| SPECIFICATION/STANDARD DATA | 80205-NAS5319 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD 1,TYPE 2 OR 8,CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.363 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |