| FASTENER LENGTH | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.154 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| HEAD HEIGHT | 0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| HOLE DIAMETER | 0.026 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 190000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 170000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.099 INCHES |
| SPECIAL FEATURES | COLOR IRIDESCENT |
| WIDTH ACROSS FLATS | 0.0781 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.303 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 48 |
| THREAD SERIES DESIGNATOR | UNRC |