DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.706 INCHES MINIMUM AND 2.756 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 2.917 INCHES MINIMUM AND 2.947 INCHES MAXIMUM |
HARDNESS RATING | 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP H11 OVERALL |
MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 2.303 INCHES MINIMUM AND 2.313 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.504 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJF |