- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.631 inches minimum and 0.681 inches maximum
- Fastener Length
- 1.141 inches minimum and 1.171 inches maximum
- Head Style
- Oval countersunk
- Head Diameter
- 0.662 inches minimum and 0.668 inches maximum
- Grip Diameter
- 0.4365 inches minimum and 0.4370 inches maximum
- Internal Drive Style
- High-torque
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 0.490 inches minimum and 0.510 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 100.0 degrees nominal
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Titanium alloy overall
- Material Document and Classification
- NAS621, comp 6AL-4V assn std single material response overall or AMS4928 assn std single material response overall or AMS4967 assn std single material response 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.