| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.625 INCHES NOMINAL |
| HEAD HEIGHT | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| HEAD STYLE | DEE CHAMFER |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 431 OVERALL |
| SHOULDER DIAMETER | 0.358 INCHES MINIMUM SECOND SHOULDER AND 0.368 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 0.4152 INCHES MINIMUM FIRST SHOULDER AND 0.4156 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.405 INCHES MINIMUM FIRST SHOULDER AND 0.415 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.055 INCHES MINIMUM SECOND SHOULDER AND 0.065 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.590 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |
| DISTANCE FROM CENTERLINE TO FLAT | 0.240 INCHES MINIMUM AND 0.244 INCHES MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | AATN |
| FASTENER LENGTH | 1.420 INCHES NOMINAL |