| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.689 INCHES MINIMUM AND |
| 0.719 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| THREAD LENGTH | 0.454 INCHES NOMINAL |
| HEAD STYLE | DISHED HEXAGON |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6382 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.188 INCHES MINIMUM AND |
| 0.203 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 3 |
| HOLE DIAMETER | 0.070 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM |
| GRIP LENGTH | 0.240 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3735 INCHES MINIMUM AND |
| 0.3745 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS6206 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT |