- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.506 inches minimum and 0.556 inches maximum
- Fastener Length
- 1.328 inches minimum and 1.358 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.429 inches minimum and 0.477 inches maximum
- Grip Diameter
- 0.3115 inches minimum and 0.3120 inches maximum
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.802 inches minimum and 0.822 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 125000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- Steel corrosion resisting overall
- Surface Treatment
- Passivate 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.