| CRITICALITY CODE JUSTIFICATION | CFSG |
| FASTENER LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.138 INCHES MINIMUM AND 0.178 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2213 TO 0.2238 INCHES |
| SHOULDER DIAMETER | 0.493 INCHES MINIMUM AND 0.495 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER |
| SPECIAL FEATURES | MINOR DIA OF THD 0.2032 IN. MAX |
| WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNS |