- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.578 inches nominal
- Fastener Length
- 3.688 inches minimum and 3.718 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.544 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.370 inches nominal
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal first hole
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 3.125 inches nominal
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 3.506 inches nominal overall
- Part Name Assigned BY Controlling Agency
- Bolt, tension, hex head, close tolerance, alloy steel, long thread, reduced major diameter, self-locking, 160 ksi ftu
- Material
- Steel comp 4140 overall or steel comp 4340 overall or steel comp 8740 overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6606 professional/industrial association standard
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.