| CRITICALITY CODE JUSTIFICATION | FEAT |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.250 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | TORX |
| MINIMUM TENSILE STRENGTH | 5820 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,100 DEGREE FLUSH HEAD, FULL THREAD, 6 LOBE RECESS |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5835 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700METHOD 1,TYPE2 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 METHOD 1,TYPE 8,CLS 1 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SPECIAL FEATURES | ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL |
| SPLINE MAJOR DIAMETER | 0.220 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 1.144 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |