| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.766 INCHES MINIMUM AND 1.796 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| HEAD DIAMETER | 0.672 INCHES NOMINAL |
| HEAD HEIGHT | 0.101 INCHES NOMINAL |
| HEAD STYLE | OVAL COUNTERSUNK |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| NOMINAL THREAD DIAMETER | 0.4375 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE,100 DEGREES COUNTERSUNK,REDUCED HEAD,HI-TORQUE,NON-MAGNETIC CRES(125 KSI FSU) |
| SINGLE SHEAR STRENGTH | 125000 POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 76301-ST3-557 MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700,METHOD 1 OR 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.656 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 20 |