| COLOR | BLACK OVERALL |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 2.25 INCHES NOMINAL |
| HEAD DIAMETER | 0.938 INCHES NOMINAL |
| HEAD HEIGHT | 0.251 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOCKET HEAD,FLAT COUNTERSUNK,82 DEG,ALLOY STEEL,UNC-3A |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS-24667 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-STL-16232,TYPE M,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | BLACK CHEMICAL FINISH OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.999 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 13 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |