| COLOR | BLACK |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| HEAD DIAMETER | 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE, FLAT COUNTERSUNK HEAD, 82 DEGREE, CRUCIFORM RECESS, CORROSION-RESISTANT STEEL, UNC-2A |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS-QQ-S-763 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924, CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | OXIDE |
| SPECIFICATION/STANDARD DATA | 80205-NAS-51959 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.578 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |