| CHAMFER ANGLE | 15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM |
| COLOR | YELLOW OVERALL |
| FASTENER LENGTH | 4.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX CAP SCREW, UNC-2A CARBON STEEL, YELLOW ZINC PLATED SAE J429, GRADE A5 |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL AND STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.25 INCHES |
| SPECIAL FEATURES | WIDTH ACROSS CORNERS MIN. 0.488 MAX 0.505 |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F 1941 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |