| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.778 INCHES NOMINAL |
| GRIP DIAMETER | 0.3735 MILLIMETERS MINIMUM AND 0.3745 MILLIMETERS MAXIMUM |
| GRIP LENGTH | 0.375 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 0.464 INCHES MINIMUM |
| HEAD HEIGHT | 0.111 MILLIMETERS NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| MATERIAL | UNABLE TO DECODE |
| MINIMUM TENSILE STRENGTH | 5790 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, SHEAR, 100 DEGREE FLUSH HEAD |
| SPECIFICATION/STANDARD DATA | NAS1580 NATIONAL STD/SPEC |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.403 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |