| EXTENDED WASHER DIAMETER | 0.406 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.062 INCHES NOMINAL |
| FASTENER LENGTH | 0.407 INCHES NOMINAL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| HEAD STYLE | FILLISTER EXTENDED WASHER |
| HOLE DIAMETER | 0.047 INCHES NOMINAL |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 2 |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 416F OVERALL |
| MINIMUM TENSILE STRENGTH | 123000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| POINT STYLE | FLAT |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.407 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |