| CHAMFER ANGLE | 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 4.470 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
| HEAD DIAMETER | 1.267 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| HEAD HEIGHT | 0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| MATERIAL | |
| MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,SHOULDER,SOCKET HEAD,HEXAGON,ALLOY STEEL OR NONFERROUS ALLOYS,UNC-3A |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHOULDER DIAMETER | |
| SHOULDER SHAPE | UNABLE TO DECODE |
| SHOULDER LENGTH | UNABLE TO DECODE |
| SPECIAL FEATURES | DOUBLE SHEAR STRENGTH 71.5 KSI MIN |
| SPECIFICATION/STANDARD DATA | 80205-NAS-51975 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 10 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |