FASTENER LENGTH | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | NAS4002 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SHOULDER DIAMETER | 0.326 INCHES MINIMUM AND 0.327 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SPECIFICATION/STANDARD DATA | 80205-NAS6205 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD LENGTH | 0.413 INCHES MINIMUM AND 0.463 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNJF |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |