| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.590 INCHES NOMINAL |
| FASTENER LENGTH | 1.420 INCHES NOMINAL |
| MATERIAL | STEEL COMP 431 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | DEE CHAMFER |
| HEAD DIAMETER | 0.655 INCHES NOMINAL |
| HEAD HEIGHT | 0.190 INCHES MINIMUM AND |
| 0.200 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO FLAT | 0.247 INCHES MINIMUM AND |
| 0.251 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FIRST DIAMETER FROM HEAD | 0.3902 INCHES MINIMUM AND |
| 0.3906 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.333 INCHES MINIMUM AND |
| 0.343 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.3902 INCHES MINIMUM AND |
| 0.3906 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.300 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.405 INCHES MINIMUM AND |
| 0.415 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.460 INCHES MINIMUM AND |
| 0.480 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.730 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 0.830 INCHES NOMINAL |
| CRITICALITY CODE JUSTIFICATION | AAWC AND |
| AAWE |