| FASTENER LENGTH | 4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 3.690 INCHES MINIMUM AND 3.750 INCHES MAXIMUM |
| HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 601 OVERALL |
| MINIMUM TENSILE STRENGTH | 195000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |