- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.669 inches minimum and 0.719 inches maximum
- Fastener Length
- 1.929 inches minimum and 1.959 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.219 inches minimum and 0.234 inches maximum
- Width Between Flats
- 0.678 inches minimum and 0.690 inches maximum
- Grip Diameter
- 0.4360 inches minimum and 0.4370 inches maximum
- Shank Unthreaded Hole Diameter
- 0.111 inches nominal first hole
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 1.365 inches minimum and 1.385 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.893 inches minimum first hole and 2.243 inches maximum first hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Part Name Assigned BY Controlling Agency
- Bolt, hex head
- Material
- Iron alloy 660 overall
- Surface Treatment
- Cadmium overall
- Thread Series Designator
- UNJF
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.