| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.710 INCHES MINIMUM AND |
| 1.740 INCHES MAXIMUM |
| MATERIAL | IRON ALLOY 660 OVERALL |
| THREAD LENGTH | 0.633 INCHES MINIMUM AND |
| 0.693 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND |
| 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.203 INCHES MINIMUM AND |
| 0.235 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| GRIP LENGTH | 1.047 INCHES MINIMUM AND |
| 1.077 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1006 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, MACHINE HEXAGON HEAD |