- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.454 inches nominal
- Fastener Length
- 1.939 inches minimum and 1.969 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.554 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.3740 inches minimum and 0.3745 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum threads and 0.116 inches maximum threads
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.490 inches minimum and 1.510 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.771 inches nominal threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single material response overall or AMS5737 assn std single material response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6306 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.