| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.344 INCHES NOMINAL |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL80.0 ROCKWELL B MINIMUM OVERALL |
| HEAD DIAMETER | 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| HEAD HEIGHT | 0.108 INCHES MINIMUM AND 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM0.112 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGONHEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| WIDTH ACROSS FLATS | 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALLPASSIVATE OVERALL |
| THREAD LENGTH | 0.156 INCHES MINIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |