DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.742 INCHES MINIMUM AND 1.792 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 1.951 INCHES MINIMUM AND 1.981 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 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 | 0.4516 INCHES MINIMUM AND 0.4526 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM FIRST SHOULDER |
SPECIFICATION/STANDARD DATA | 80205-NAS6207 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
WIDTH BETWEEN FLATS | 0.678 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.503 INCHES MINIMUM AND 0.553 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJF |