AAJD | Thread Class | 3A |
AAJF | Thread Direction | Right-hand |
AASA | Thread Length | 0.538 inches nominal |
AASB | Fastener Length | 2.638 inches minimum and 2.668 inches maximum |
AASK | Head Style | Dished hexagon |
AASU | Head Height | 0.219 inches minimum and 0.234 inches maximum |
AATB | Width Between Flats | 0.678 inches minimum and 0.690 inches maximum |
AAUR | Grip Diameter | 0.4370 inches minimum and 0.4380 inches maximum |
AAWB | Shank Unthreaded Hole Diameter | 0.106 inches minimum first hole and 0.116 inches maximum first hole |
AHYM | Nominal Thread Diameter | 0.437 inches |
ANEE | Grip Length | 2.115 inches minimum and 2.135 inches maximum |
CMLP | Thread Quantity per Inch | 20 |
CQBC | Minimum Tensile Strength | 160000 pounds per square inch |
CQFM | Hardness Rating | 36.0 rockwell C minimum overall and 40.0 rockwell C maximum overall |
CRZS | Distance from Head Largest Bearing Surface to Shank Hole Center | 2.444 inches minimum first hole and 2.842 inches maximum first hole |
MATT | Material | Steel overall |
MDCL | Material Document and Classification | MIL-S-5000, 4340 or E4340 mil spec single material response overall |
SFTT | Surface Treatment | Cadmium overall |
STDC | Surface Treatment Document and Classification | QQ-P-416, type 2, class 2 mil spec single treatment response overall |
THSD | Thread Series Designator | UNJF |
ZZZK | Specification/Standard Data | 80205-NAS6206 professional/industrial association standard |