| FASTENER LENGTH | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
| HEAD DIAMETER | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| HEAD HEIGHT | 0.100 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| HOLE DIAMETER | 0.050 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OVERALL |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| WIDTH ACROSS FLATS | 0.100 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.262 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJC |
| THREAD QUANTITY PER INCH | 24 |