- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.428 inches minimum and 0.478 inches maximum
- Fastener Length
- 2.063 inches minimum and 2.093 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.219 inches minimum and 0.234 inches maximum
- Width Between Flats
- 0.679 inches minimum and 0.690 inches maximum
- Grip Diameter
- 0.4365 inches minimum and 0.4370 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum first hole and 0.116 inches maximum first hole
- Nominal Thread Diameter
- 0.437 inches
- Grip Length
- 1.615 inches minimum and 1.635 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
- 1.928 inches minimum first hole and 1.978 inches maximum first hole
- Surface Finish
- 16.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Surface Finish
- 63.0 microinches grip
- Material
- Titanium alloy uns R56400 overall
- Material Document and Classification
- Ams 4967 assn std single material response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS657 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.