FASTENER LENGTH | 2.790 INCHES MINIMUM AND 2.810 INCHES MAXIMUM |
HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.060 INCHES MINIMUM AND 0.080 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 |
SHOULDER DIAMETER | 0.3105 INCHES MINIMUM AND 0.3115 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 2.470 INCHES MINIMUM AND 2.480 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD LENGTH | 0.238 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 28 |