| FASTENER LENGTH | 0.75 INCHES NOMINAL |
| HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J 429-GRADE 8 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP HEX |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SPECIAL FEATURES | IR CONTROL BOX MOUNTING BRACKET SCREW.LAV25-A2 AND FOLAV |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F 1941,ZINC COATING FE/ZN,TYPE 5A NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.139 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |